manual telegraph set 人工电报机
single needle telegraph set 单针电报机
subaudio telegraph set 亚音叔电报机
telegraph distortion set [通信] 电报失真仪
telegraph calling set [通信] 电报呼叫器
VF telegraph testing set 音频电报测试仪
telegraph repeater monitor set 电报转发监控器
telegraph terminal set 电报终端机
telegraph distortion measuring set 电报信号失真测量器
A new telegraph line has been set up between the two cities.
那两个城市之间架设了一条新的电报线。
If the telephone guys had set out to make something that did what the telegraph does, but better, they probably would have failed.
如果发明电话得人是参照电报得特点来设计电话得话，即使做的更好，他也会多半失败。
They invented the first electric bulb, wireless telegraph, helicopter, bomber, colored photography and TV-set.
他们发明了第一盏电灯泡，无线电话，直升飞机，轰炸机，彩色摄影以及电视机。
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