英语词汇“drop relay”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 relay
释义	drop relay drop relay [¦dräp ′rē‚lā] (electricity) Relay activated by incoming ringing current to call an operator's attention to a subscriber's line.
随便看	electron-beam tomography electron-beam tube electron beam welder electron beam welding electron-beam welding electron bernstein wave electron bernstein wave current drive electron binding energy electron blue pearl electron bombarded active pixel sensor electron-bombarded charge-coupled device electron bombarded silicon electron bombarded silicon - charge coupled device electron bombardment induced conductivity electron-bombardment-induced conductivity electron boost electron bunching electron capture electron-capture electron capture decay electron capture detector electron-capture detector electron capture diameter electron capture dissociation electron capture-gas chromatograph

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