英语词汇“optical lever”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	optical lever
释义	optical lever noun : an arm or lever the displacement of which is measured by an attached mirror and a fixed telescope and scale commonly used for measuring small lengths
随便看	unrouted unroyal black gyrfalcon black hand black-hander black harry black hat black haw black hawthorn black hazel blackhead blackhead blackhead disease black-headed budworm black-headed grosbeak black-headed gull blackhead minnow blackhead persian blackheart blackhearted black heat black heath black hellebore black hemlock black henbane

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