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

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	below decks belowdecks belowground below one's breath belowstairs below the belt below-the-line Bel Paese bels belsire belswagger belt belt belt ammunition beltane belt conveyor belt course belted belted belted-bias tire belted cattle belted coastal plain belted galloway belted kingfisher belter

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