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disconnect signal
el. 切断信号; 拆线〔话终〕信号; 拆线信号
IT 断开[拆接]信号
mil., air.def. 关机信号
tech. 断开信号
telecom. 释放信号
disconnect ing signal
el. 话终〔拆线,关机,切断〕信号
disconnect signal: 1 phrase in 1 subject
Technology1