英语词汇“mercury switch”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	mercury switch
释义	WordReference Random House Unabridged Dictionary of American English © 2024 mer′cury switch′, [Elect.] Electricityan especially quiet switch that opens and closes an electric circuit by shifting a vial containing a pool of mercury so as to cover or uncover the contacts.
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