... 电子本文传送 electronic text transfer,ETT 电子时序 electronic timing 电子计时装置 electronic timing set,ETS ...
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电子时序控制装置 [电子] [自] electronic time sequence control unit
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电子时序密码锁是一种具有高可靠性和高保密性的新型锁。
Electric lock with password and time control is a kind of newly-designed lock with high stability and high safety.
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