空线指示 – phrases

Terms containing 空线指示 | all forms | in specified order only

Subject	Chinese	English
tech.	空中继线指示灯	idle trunk lamp
telecom.	空线指示	idle-line indicating
el.	空线指示信号	idle indication signal
tech.	空线指示器	ring-off indicator
el.	空闲线路指示	idle line indicating
IT	空闲话线指示器	idle-line indicator
el.	通用航空无线电磁指示器	general aviation radio magnetic indicator