Практика Shadowing: 什麼是屏蔽罩(shielding can)？工程師對屏蔽罩的愛恨情仇 - Изучайте разговорный английский по видео
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1
Hello, everyone.
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Welcome to the KOMGTUX The channel is a video.
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Today I want to talk to you about a video in the video.
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But there are a few people who will be introducing the material.
5
The hidden camera.
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Shading cam.
7
If you have been using the smartphone, Wi-Fi, LINEA module, the system, and even the medical equipment,
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you may have seen the in PCBs of some of the material on the It's a metal cover, especially in the middle of the system.
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This is a metal cover.
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But it's what's going on?
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Why many of the S&T scientists saw it, and they were always feeling pain?
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Why some of the RF companies often say some of these are not fair?
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Today, we'll from the design, to the design, and let's talk about the basic basic concepts and the basic concepts.
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First, let's look at the fact that the what is useful for the people?
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Most people think of the answer is to prevent the transmission of电池.
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This is not true.
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In the current technology, there may be Wi-Fi, Bluetooth, GPS, 4G, 5G, and NFC.
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And for the reason to get more quickly, all of the high-speed transmission signals will be more than ever.
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If you don't have these messages to be able to leave, they may be able to be affected by the other.
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For example, Wi-Fi may be affected by GPS.
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For the CPU, it may be affected by RF-less wireless wireless.
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At the end of the day, it may be a lot of confusion.
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So, the wireless wireless system will be easily affected or is an area of damage, using a silver-like surface to put it on.
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It's just to put the water to be locked inside, to prevent it from affecting others.
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And you can also put the information on the outside, to reduce the information of the virus.
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But many people don't know the fact that the surface is actually the second way, which is to increase PCB's machine power.
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Especially now PCB is more薄,
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like the computer's phone, mostly 1.0mm, some more薄, maybe 0.6mm.
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The size of the VGA equipment is not enough to be supported, if PCB is a bit more than a wide range, it will be easier to turn.
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Choose a full-on-one of the wall, and be able to support the space for the PCB.
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Just like PCBs on the other side, it can reduce PCBs of the surface of the surface
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and also protect the surface of the surface and the inside of the material
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So it can also be able to prevent the damage from the surface
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and can be achieved by the surface of the surface
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Why do you think S&T is afraid to have a surface of the surface?
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If you've worked on S&T's work, you probably know The only thing is that there are no problems.
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The most common problems are with the no-double.
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First, the only thing is that it is a very difficult problem.
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Second, the only thing is that it is a very difficult problem.
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Third, the only thing is that it is a very difficult problem.
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The last one is the surface of the surface.
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It is often a light.
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It is a light.
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Let's talk about the reason why the surface is the first.
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The first reason is because of the temperature.
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The surface is the原理.
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It is to use the surface to the surface to the surface.
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So the surface is the surface.
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and is a large-scale ground plant.
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In this situation, the回汗 if you choose RTS, which is the temperature of the temperature,
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the temperature of the temperature will give it a lower the heat of the heat.
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The result is that the heat is not bad, but the heat is not completely dissolved, and the heat is not completely dissolved,
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and the heat is not completely dissolved, or It's
54
possible that it can completely melt, so it can be prevented from the situation without a waste.
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The second reason is the surface of the PCB.
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Many surface surface are very large, but the surface is more than the PCB.
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There are times the PCB itself is slightly more than the PCB.
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其实还有更严重的,屏蔽罩本身的共面度,Cependentity,必须要达到0.1mm的公差要求 之所以要求要0.1mm,是因为现在的手机板的感板厚度大概都只有0.1mm或者0.127mm
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Some have even more thin.
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Only the shadow of the surface will not reach 0.1mm.
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And with PCB-like change, the two sides will be able to cause the shadow of the surface of the surface.
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It will not be able to connect to the surface of the surface, and then it will be gradually due to the surface of the surface.
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This is not the idea that the shadow of the shadow of the surface will be able to produce the effect.
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I'll give you a little bit of a reminder here,
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maybe there are people who know that the to the wall.
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After the
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wall So these are so important.
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To put an impact on the water system.
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If it causes problems, it can bring the oil system into air.
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3. Why?
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For the outside, bifung or foam of the coated finish-size-size-size, they must control the solid finish-size-size-size-size-size-size-size.
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It is a part in the inside of the coated finish-size-size-size.
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Many industrialists can't understand that there should have been coated when the liquid is from the inside and in the inside.
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当作阻隔层,然后再度洗。 既然只度内就可以吃洗,那为何还要再度洗呢?
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只度一层内不是比较便宜吗?
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这就是为何很多人会选用度内的原因吧?
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内虽然可以吃洗,但是内在与空气接触以后会产生一层氧化膜, 这层膜会稍稍阻碍汗洗的润湿, 如果是不需要汗接的屏蔽盖,
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度内倒是个不错的选择 如果想让度内可以顺利吃上席 就必须要保持其新鲜度
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也就是说要严格管控其铺路于大气的时间 降低其氧化膜生成的厚度 其次则是要选用席膏中含有趋氧化效果比较好的注汗剂
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但这么一来注汗剂的酸性就会比较强 It is more likely to do PCBs of the tube of force.
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The long-term care must be considered.
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Another choice of the surface is the heat.
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Heat will also be in the air connected with air after creating an ionizer.
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But just need to use the usual heat to be able to talk to it.
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It will not affect the heat of the heat.
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The only thing to worry about is heat heat and the moisture.
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Also, the存息 in the
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If it's too high, it won't completely cover the metal.
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It's usually the inside.
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It's like the inside.
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It's easy to get into the inside.
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It will cause the heat of the heat.
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If it's too high, it's easy to get into the heat.
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It's easy to get into the heat.
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It's easy to get into the inside.
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It may affect the outside or the body of the body.
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So the heat of the heat must be just fine.
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How much better is the temperature?
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The temperature of the surface of the surface is different.
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The temperature of the surface is different.
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The temperature is different.
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I recommend you to ask the experience of the temperature.
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The 4th reason is the surface surface or PCB of the heat.
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This should not be done to further explain.
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It is not the surface surface or PCB of the heat.
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It will affect the heat of the heat.
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The temperature is definitely happening.
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Then, let's see what
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is the other
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thing about the
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It's just an example of the surface area.
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Now the surface area will be so that the surface area is around the surface area.
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It is important to do the surface area.
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However, the surface area will be the surface area.
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We can't do that.
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The surface area is the surface area is less than it will quite.
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The point of view is that the surface area will be in the surface area.
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Because they found that the product was in the fall of the Rd希望屏蔽罩不能偏移,又不在PCB上面设计定位孔,这不是强人手拦吗?
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就好比希望一艘浮在水面上,而且是没有船帽的船,不能飘移,是一样的道理
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而屏蔽罩换接偏移还有另外一个隐忧,就是可能会与临近的电子零件接触或者是短路
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尤其是位于屏蔽罩内侧的零件 因为肉眼看不到 不容易检查 而且很容易被忽略 所以一般我们都会要求
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要保留至少0.5mm以上的安全距离 但也有一高人胆大的RD 只保留了0.3mm
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只是这种胆大 似乎是建立在S&T制程的管控上 屏蔽罩暗接的第三个问题 并不是屏蔽罩本身 and the air is closed in the air window of the unit,
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it is easy to cause a cold and a短路.
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This is because the S&T machine is using the air flow to flow flow.
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It is necessary to spend more time to spend the air flow to the air.
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When the air flow and the air flow are not enough, it is easy to cause a cold, even a low-speed problem.
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Of course, if the temperature and the temperature are too low, it may cause a short路 or a waste of the material.
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But I must remind you, the short路 problem is usually the height of the size of the size
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and the height of the size of the temperature and the height of the temperature.
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This is not just the temperature of the temperature.
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The most important challenge is the space of the room.
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or a OI device to check out the air.
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Especially the kind of thing that you can use to use the PCB.
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The most important thing is to use the air conditioning or the air conditioning.
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Many of the air conditioning will use a or a tube tube.
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These materials will be connected to the air after the air, the surface will naturally create a layer of ion化.
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The main thing is the layer of ion化.
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In a normal situation, the ion化 is very薄, and is very transparent.
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But in the environment of the environment, the ion化 speed will be faster, the ion化 mode will be faster, and the ion化 mode will be faster, and will be more because of the light of the薄膜干涉 and the green.
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The more serious is even more serious, and even more serious will be changed to the染色.
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The high-end
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The reason why the technology is not going to be affected by the technology.
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But the technology is not going to be affected by the light or the yellow color, which is often the customer or the people of the company.
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And the money is not going to be able to get a clear product of the product.
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So the technology is not going to be able to use the quality of the product.
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There are times that we need to look at the quality of the product.
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In the In the right situation, the filter filter is not supposed to be visible in the past.
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If there are some reasons, the reason is to be in the case of the filter.
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First, filter filter is a high-end, and the time is too long.
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Second, filter filter is a clear-cut.
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The filter is not clear, the filter is not clear.
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The filter is a high-end filter, which will be a high-end filter.
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Third, filter filter.
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注汗剂中的有机酸或者活性剂在高温下会与金属反应,产生黄变彩虹色甚至是局部氧化 如果您选用的是活性较强,去氧化能力较好,也就是酸剂较多,或者是清洁效能较差,残留物较多的注汗剂或者是膝膏,问题就会更容易发生
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回汗后遇到黄变的正实性解决方法,可以开启氮气,回流来降低氧化的速度
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但根本知道还是得找出问题发生的真正原因并加以改善 比如温度曲线,出汗剂的选择,表面处理等,这样才是长久之计 如果是维修的时候发生黄变,那就直接换一个新的吧
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Next we'll talk about what's happening in the air.
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1. The first thing is to change the temperature.
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Many people think that the temperature is going to increase the temperature.
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Or, it's going to change the temperature of the temperature.
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To keep the temperature of the temperature.
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Because the temperature is going to be from temperature.
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and the temperature of the temperature can also provide more energy
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and the temperature of the temperature can be a little more light.
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But in the high temperature, I recommend that the PCVs are not going to be able to control the temperature of the temperature.
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This is not a perfect solution to increase the temperature of the temperature.
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We've already said that the filter will be a bit more light.
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There are four reasons, which are the temperature, the window, the window, the window, the window, the window, the window, and the window.
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So I would like to use the temperature.
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I would like to check out PCB 3 main, especially the window, especially the window.
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In the window of the area, you should be able to reach the temperature of the temperature.
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This is the temperature of the temperature, and it will be completely empty.
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This will not be avoided when there is no longer a situation.
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If the temperature is normal, it is not normal to increase the temperature of the temperature,
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but we need to consider the other reasons and the way to solve the problem.
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The second method is to increase the temperature of the厚度 to cover the surface of the surface.
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If it is a surface surface of the surface surface or the surface surface of the surface,
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通常都是可以透过增加膝膏印刷的高度来解决的 要注意,不能只在肝板上面扩孔来增加膝量
180
而是要确保膝膏在融化的时候 与屏蔽罩的汗角是接触到的 否则膝膏量增加却仍然接触不到汗角 依然还是会发生空汗
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肝板扩孔增加膝量倒也不是完全没有效果 只是必须要等到膝膏完全融化并且聚集 才能堆高焊息 还要注意 这时候的焊息量 只有原来息高的一半体积
182
所以 息高扩孔的尺寸 最好要比原来的焊垫大一倍以上 而且 再进入回暗区的时间也不能太短 否则就达不到 钢板扩孔的效果了
183
第三个方法是从设计面 来降低屏蔽罩变形的风险
184
这是工作熊最推荐的方法之一 除了可以从制成面来改善之外 工作选个人强烈建议 最好要从设计来下手 想办法来降低屏蔽罩变形的问题
185
比如在转角处增加R角 或者是使用折边金条来强化结构
186
合理的增加屏蔽罩的厚度 避免过度密封 合理开孔 完全密封的屏蔽罩 会使得屏蔽罩内的局部过热 or is the temperature of temperature too,
187
or can cause change.
188
It can be in the situation.
189
In the wall, the wall is in the ceiling.
190
It will increase the length of the wall and the wall.
191
You can use the second floor to use the wall.
192
There is a problem that many people remember.
193
It is to don't use the wall of the wall.
194
Because the wall is bigger, the wall will be bigger.
195
I建议 you can use the wall of the wall to use the large-scale space of the window.
196
The fourth method is to improve the temperature of the window.
197
It is to improve the temperature of the window.
198
Many people first接触 to the window window, they thought they would put the window window into the window window.
199
So it would be the best of the window window window.
200
Actually, this is not necessary.
201
If you want to set the window window into a square and a full-on-way window, and also in the fan's
202
in the fan's in the fan's or the fan's this is because
203
fan's fan's will be affected by the fan's and the fan's will be to to be to to
204
be to to be to to be to to to to to to
205
JT handbag to make a few different different parts of the small space For example,
206
the length of the length is about 3 to is 1mm.
207
The width of the width is designed to be a small piece.
208
This design is除了能保持良好的阶段 and the length of the length, and can reduce the width of the width of the width of the width of the width.
209
Also, these without the width of the width of the width of the width, can also provide the width of the width of the width of the width of the width of the width.
210
In EMI, EMC, the effect of the goal of the goal, I recommend you can use the thermal relief of the air conditioning on the air conditioning.
211
It is called the 10-inch power.
212
Because the thermal relief is usually used in the air conditioning, the air conditioning will be used in the air conditioning.
213
It will cause the air conditioning to the air conditioning.
214
It can reduce the heat of the heat, which will help the heat to the heat.
215
It will not help to improve the heat or the heat of the heat, which will help the maintenance and the heat of the heat.
216
Next, let's look at the first step of the window.
217
The window window is a window window.
218
The window window is roughly divided into several different types.
219
First, the window window is a window window.
220
It is from a fixed-to-floor and the
221
This is the design of the software.
222
The second is the wall.
223
The wall is a wall.
224
But this should be two things.
225
It uses the wall to secure the wall, and it won't need to use the wall.
226
The wall is a small size.
227
It's a traditional device.
228
can use a can use a custom-to-date and not like the wall
229
will have a wide-to-date and wide-to-date when it comes to a very convenient and not need to re-check
230
just use the bottom to the wall to open it and then to the wall to
231
it is very suitable to to to re-refer to re-refer to re-refer 3
232
is the the the wall the wall the wall to and other devices with the other devices directly
233
must be removed from the wall to the wall to the wall.
234
And this wall is very difficult to remove.
235
The wall is basically impossible to use, must be done.
236
The fourth one is the one-dimensional wall wall.
237
Some of the products will be made to the wall wall.
238
Then, they will use the tool to make the wall wall.
239
The whole wall wall is better.
240
The result is also a good thing to protect the high-reporting rate.
241
But the quality of the equipment is also the best way to make it.
242
The design is also the best way to make it.
243
The following four different types of the equipment, what should I choose?
244
Actually, there is no standard answer.
245
If the product is a big, a good quality, a good quality, a good quality, the most important thing is the best quality.
246
If the product is always a good quality, or the maintenance or service.
247
These are usually more of a弹性.
248
Next, let's look at the material.
249
Many people think the material is a piece of wood.
250
Actually, it is not.
251
The material is about a few different.
252
First, is the SPTE, which is the dust sheet.
253
We call it the Makote.
254
It is a high quality, and is good for the hand-drapping.
255
but the color of the color is better.
256
The表面 is already done with the sheet, but the cut-down if needed to be done with the sheet, it must be done with the sheet.
257
The second one is the Nikko Silber.
258
It has been called the yellow-white.
259
Yellow-white is a color of silver, but it is not a silver, but it is a color of silver.
260
The knife is a color of silver.
261
It is a color of silver.
262
Many RF products like it.
263
It's a cut-down if you want to eat it, it must be in a cup of tea.
264
The 200-inch oil is a bit of a cup of tea.
265
It's a bit of a cup of tea.
266
It's a bit easier to use a cup of tea.
267
It's a cup of tea.
268
It's a bit more expensive.
269
It's also a cup of tea.
270
and other materials.
271
Basically, these materials will influence the production, the production, the production, the production, the production, the transmission, the production, the production, the production, the production and the production.
272
So the material is not good enough, but it is not a good choice to choose the product and choose the product.
273
Now, let's do a bit more for today's discussion.
274
Many of the materials are not very unique.
275
The público is one of the most, but in the real world you get through the量产後, You will find it actually depends on EMI design,
276
PCB layout, material, SMT design, the quality of the product, and the product.
277
Many of the projects are not just using the temperature of the temperature.
278
The real-effective method is usually to design and design and and to work together to achieve the product.
279
Are you also a product of the product?
280
欢迎在留言区分享你遇到过的屏蔽罩问题
281
希望今天的分享 可以让大家下次看到PCB上面那个金属盒子的时候 不只是知道它叫做屏蔽罩 而是更了解它背后代表的设计思维
282
如果你喜欢今天的内容 也欢迎分享给身边从事电子制造或者是产品设计的朋友 也欢迎订阅工作熊的YouTube 以及Podcast的频道 今天我们就到这里了 Bye bye
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Лексика и советы по произношению к этому уроку
Этот урок разговорной практики уровня C1 построен на видео «什麼是屏蔽罩(shielding can)？工程師對屏蔽罩的愛恨情仇». Чаще всего повторяются слова: surface, temperature, wall, window, heat. В этом видео 263 предложений и 3114 слов для шедоуинга. Речь длится 28:27. Говорящий говорит медленно, около 109 слов в минуту, поэтому есть время повторить каждый звук. 91% слов входят в 3000 самых частых слов английского языка; остальные стоит разобрать перед занятием.
Ключевая лексика этого видео
Самые сложные слова из видео (13), с произношением и значением:
| Слово | Произношение | Значение |
|---|---|---|
| width существительное | /ˈwɪtθ/ | ширина́, широта́ |
| dissolve глагол | /dɪˈzɑlv/ | распуска́ть, распусти́ть |
| thermal прилагательное | /ˈθɜːməl/ | теплово́й, терма́льный |
| handbag существительное | /ˈhændˌbæɡ/ | су́мочка, ридикю́ль |
| industrialist существительное | промы́шленник, промы́шленница | |
| foam существительное | /ˈfɔʊ̯m/ | пе́на |
| module существительное | /ˈmɑd͡ʒul/ | мо́дуль |
| moisture существительное | /ˈmɔɪs.t͡ʃɚ/ | вла́га |
| melt глагол | /mɛlt/ | та́ять, раста́ять |
| transparent прилагательное | /tɹænsˈpæɹənt/ | прозра́чный |
| dimensional прилагательное | /daɪˈmɛn.ʃə.nəl/ | -ме́рный |
| smartphone существительное | /ˈsmɑɹtfoʊn/ | смартфо́н |
| layout существительное | /ˈleɪ.aʊt/ | расположе́ние, раскла́дка |
Фразовые глаголы, которые вы услышите
| Слово | Значение |
|---|---|
| check out глагол | проверя́ть, прове́рить |
| cut down глагол | срубать, спиливать |
Фразы, которые стоит повторять
Короткие законченные фразы из видео, которые пригодятся в повседневном разговоре:
- Next we'll talk about what's happening in the air.
- The following four different types of the equipment, what should I choose?
- Next, let's look at the material.
- Are you also a product of the product?
Грамматика в этом видео
Конструкции, которые говорящий использует чаще всего, с точными словами из видео:
| Конструкция | В видео |
|---|---|
| Пассивный залог be + причастие прошедшего времени — важно, что происходит, а не кто это делает | be affected · may be affected · will be easily affected |
| Придаточные определительные who / which + предложение — уточнение о человеке или предмете | people who will · way, which is · RTS, which is |
| Present Perfect have/has + причастие прошедшего времени — прошлое действие, важное сейчас | you've worked · We've already said · has been called |
Произношение, на которое стоит обратить внимание
Говорящий использует 12 сокращённых и редуцированных форм, например don't, can't, we'll. Произносите их коротко, так, как слышите.
- Звуки «th»: width /ˈwɪtθ/, thermal /ˈθɜːməl/
Звуки, трудные для русскоязычных:
- Звонкие согласные в конце слова — не оглушайте их: dissolve /dɪˈzɑlv/, handbag /ˈhændˌbæɡ/
Как заниматься с этим видео
- Прослушайте всё видео один раз молча и выпишите незнакомые слова.
- Повторяйте предложение за предложением на обычной скорости, пока ваш ритм не совпадёт с ритмом говорящего.
- Запишите себя и сравните с оригиналом, обращая внимание на такие слова, как width, dissolve, thermal.
Что такое техника Shadowing?
Shadowing — это научно обоснованная техника изучения языка, изначально разработанная для подготовки профессиональных переводчиков и популяризированная полиглотом доктором Александром Аргуэльесом. Метод прост, но эффективен: вы слушаете аудио на английском от носителей языка и немедленно повторяете вслух — как тень, следующая за говорящим с задержкой в 1–2 секунды. В отличие от пассивного прослушивания или грамматических упражнений, Shadowing заставляет мозг и мышцы рта одновременно обрабатывать и воспроизводить реальные речевые паттерны. Исследования показывают, что это значительно улучшает точность произношения, интонацию, ритм, связную речь, понимание на слух и беглость речи — что делает его одним из самых эффективных методов для подготовки к IELTS Speaking и реального общения на английском.