“clearing-out drop”的概念、定义、翻译、参考文献-科学参考

单词	clearing-out drop
释义	clearing-out drop [`klir·iŋ ´au̇t ´dräp] ^{COMMUNICATIONS} Drop signal associated with a cord or trunk circuit, which is operated by ringing current to attract the attention of the operator.
随便看	cascade control cascade converter cascade cooler cascaded cascaded carry cascaded feedback canceler cascade gamma emission cascade hyperon cascade image tube cascade impactor cascade junction cascade limiter cascade liquefaction cascade mixer-settler cascade networks cascade noise cascade particle cascade pulverizer cascade regulation cascade sequence cascade shower cascade system cascade transformer cascade tray cascade unit

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