跟读练习: Engineer's tool list - 通过视频学习英语口语
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Welcome to my latest video on learning technical and engineering English.
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Today what I'm going to do is I'm going to go through some of the tools that are used in engineering
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and I'll tell you the tools in English with a little explanation of how they're used.
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So the first tool is a veneer caliper and the veneer caliper is to measure internal and external sizes
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and here you can see the internal and external calipers.
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External micrometer.
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The external or outside micrometer is to measure outside sizes or diameters.
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Internal micrometer.
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Engineers use the internal micrometer to measure inside diameters.
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Depth micrometer.
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Engineers use the depth gauge micrometer to measure depths or how deep something is.
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Dial gauge.
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A dial gauge is to measure distance.
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The measurement is on a clock called a dial.
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Height gauge.
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Height gauge is to measure the height of something, how high it is.
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It is also used to mark an object object.
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Surface table.
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A surface table is a solid flat table used as the main horizontal reference for precision measurement marking or inspection.
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Steel ruler.
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Steel rulers are to measure distances or to rule straight lines.
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Engineer squares.
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An engineer square is to check a work piece is square, that is that two sides are at 90 degrees to one another.
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Straight edge.
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Straight edge is to check that surfaces are straight.
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Scribing block.
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Scribing block is used to check flat surfaces and to find the centre of the round bars.
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Trammel or trammels.
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Engineers trammel heads are for scribing arcs and circles.
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Protractor.
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Most protractors measure angles in degrees.
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Ascriber.
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Ascriber is a hand tool used in metalwork to mark lines on work pieces before you machine the piece.
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V-block.
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A V-block is to secure round or cylindrical items or work pieces.
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Parallels.
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Parallels are to support and accurately set jobs in vice or bolted to the machine table.
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Angle plates.
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Angle plates are used to hold a workpiece for marking or measuring.
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Dividers.
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Dividers are used for scribing circles on metal also used for measuring distances of markings.
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Center punch.
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A A center punch is to make small points used as markers for drilling.
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Okay, so that's a list of some of the most used tools in engineering.
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Stay tuned because the video will now give you a multi-choice quiz
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so you can test to see what you've learned or can remember.
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So, welcome to Engineering Tools Part 1, Multiple Choice Quiz.
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This is where I'll show you a picture and ask you what the tool is.
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You'll have a choice of three.
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Before the answer is given, there is a short pause.
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But if you need more time, of course, pause the video.
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What's the name of this tool?
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Micrometer, veneer caliper, depth gauge.
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The answer is veneer caliper.
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What's this called?
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Dividers, protractor, steel rule.
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The answer is a steel rule.
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What are these?
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Veneer calipers, trammels, dividers.
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The answer is trammels.
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What is this?
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Depth micrometer, external micrometer, internal micrometer.
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The answer is internal micrometer.
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What's this tool called?
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Dial gauge, depth gauge, height gauge.
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This, the answer is, is dial gauge.
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What's this tool?
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Scribing block, height gauge, depth gauge.
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The answer is height gauge.
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What's this called?
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Surface table, square, straight edge.
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The answer is surface table.
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What's the name of this tool?
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Square, straight edge, steel ruler.
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The answer is square.
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What are these called?
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Straight edges, steel rulers, parallels.
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These are straight edges.
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What's this called?
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A height gauge, trammel, scribing block.
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The answer is scribing block.
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What's this?
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Protractor, square, dividers.
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The answer is protractor.
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What's this tool?
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Center punch, protractor, scriber.
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The answer is scriber.
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What are these?
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V-blocks, parallels, angle plates.
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The answer is V-blocks.
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What are these?
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Angle plates, straight edges, parallels.
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These are parallels.
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What's this?
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Surface table, angle plate, B block.
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The answer is angle plate.
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What's this?
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Dividers, scriber, protractor.
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The answer is dividers.
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This tool is Describer, Dividers, Centre Punch.
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The answer is Centre Punch.
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That's the end of the quiz.
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I hope you enjoyed it.
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Remember to do things again and again is the best way to learn and remember.
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So why not do the test again?
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Or watch the whole video again.
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Thanks for watching.
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关于本课
您正在使用跟读技巧通过视频"Engineer's tool list"练习英语口语和发音。
每天练习15到30分钟，将显著提高您的英语流利度和发音准确度。
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。