... 电报集中器 telegraph concentrator 电报继电器 telegraph relay 电报监频器 telegraph discriminator ...
基于248个网页-相关网页
... 电报联络线 Telegraph orderwire 电报替续器 Telegraph relay 电报信号元件 Telegraph signal element ...
基于12个网页-相关网页
automatic telegraph relay center 自动转报中心
automatic telegraph relay equipment [通信] 自动电报中继设备
automatic telegraph-relay 自动转报
mechanization of telegraph relay 电报中继的机械化
telegraph automatic relay equipment 电报自动中继设备 ; 电报自动转接设备
telegraph vibrating relay 电报振动替续器
relay for telegraph 电报用继电器
Devices such as the telegraph and telephone relay messages by creating modulated electrical impulses, or impulses that change in a systematic way.
电报机与电话机等设备,通过产生调制电脉冲或以系统化方式变化的脉冲,来传递信息。
Among these were a relay booster for telegraph lines and a fire-safety curtain for theaters.
其中包括电报线路的继电调压器和剧院防火帘。
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