英语词汇“mechanical operator”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	mechanical operator
释义	mechanical operator mechanical operator A mechanism for opening and closing side-by-side windows in factories, gymnasiums, etc., either by manual operation with a hand crank, handwheel, or hand chain, or by an electric motor drive.
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