telegraph channel
短语词组
- telegraph grade channel [通信]电报级信道;电报级信道英语
- CT Carrier Telegraph channel 载波电报信道
- telegraph voice frequency channel [通信]电报音频通路
- interband telegraph channel 带间电报通路
- public telegraph channel 公众电报电路
- telegraph -grade channel 电报级信道英语
- telegraph channel transmission equipment 报路传输设备
- single channel radio telegraph system 单路无线电报系统 返回 telegraph channel