英语词汇“monitoring key”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	monitoring key
释义	monitoring key monitoring key [′män·ə·triŋ ‚kē] (electronics) Key which, when operated, makes it possible for an attendant or operator to listen on a telephone circuit without appreciably impairing transmission on the circuit.
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