占线 : 指拨打电话时,被叫方处于通话状态。此时无法接通电话,待被叫方挂机后可重新打通电话。默认通话方式都是一对一通话,所以当通话建立时,相当于拨叫方与被叫方连线了,而其他人暂时无法连上他们的线,也就是占线的意思。
adj. busy
misc. The line's busy. ; busy line ; engaged line
... line, busy 占用线路 the line is busy 占线 ; 通话中 ; 电话占线 ; 通话中占线 The Line S Busy 电话占线 ...
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... engaged tone占线音 it's engaged占线 to telephone,to call(up),to ring up通话,给…打电话 ...
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占线音 Congestion ; engaged tone ; busy tone ; Line Busy Tone
占线测试 engaged test ; [通信] busy test ; busy test,busy test
占线的 engaged ; busy ; Busy being used
占线信号 busy flash signal ; [通信] engaged signal ; busy tone signal
占线指示灯 BLF ; [通信] hold lamp
占线前标 seizure precursor
占线继电器 [电] busy relay ; busy test relay
占线计次 peg count
对方占线或错误 NO FAX REPLY ; NO RESPONSE
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