“drop indicator”的概念、定义、翻译、参考文献-科学参考

单词	drop indicator
释义	drop indicator [¦dräp `in·dǝ´kād·ǝr] ^{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.
随便看	assembly robot assembly routine assembly system assembly time assembly unit assessment drilling assessment work assets assign assignable cause assignment problem assignment statement assili cotton assimilation assimilative nitrate reduction assimilative sulfate reduction assisted panel assisted takeoff assize Assmann psychrometer associate associate curve associated automatic movement associated corpuscular emission associated gas

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