英语词汇“drop indicator”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	drop indicator
释义	drop indicator drop indicator [¦dräp ′in·də‚kād·ər] (communications) Indicator for signaling, consisting of a hinged flap normally held up by a catch; the catch is released by an electromagnet, allowing the flap to drop when a signal is received.
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