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- VFT? Voice Frequency carrier telegraph Terminal? 音频载波电报终端?
- voice carrier telegraph testing equipment 音频载波电报测试仪
- VFT Voice Frequency carrier telegraph Terminal 音频载波电报终端
- frequency modulation carrier telegraph 调频式载波电报
- High Frequency Carrier Telegraph Channel 高频载波电报信道
- voice frequency carrier telegraph multip 音频载波电报多路复用
- phase modulation carrier telegraph 调相式载波电报
- voice-frequency carrier telegraph 话频载波电报
- AM voice frequency carrier telegraph system 调幅音频载波电报系统
- voice frequency carrier telegraph terminal 音频载波电报终端
- voice frequency carrier telegraph 音频载波电报
- Variable Frequency Carrier Telegraph 变频载波电报
- audio frequency carrier telegraph measuring set 声频载波电报测试仪
- voice-frequency carrier telegraph equipment 音频载波电报设备
- voice-frequency carrier telegraph terminal 音频载波电报终端机
- amplitude-modulation carrier telegraph 调幅制载波电报
- voice frequency carrier telegraph multiplex 音频载波电报复用
- He sent me the news by wireless telegraph. 他用无线电报把消息告诉我。
- Earlier, bush telegraph worked a treat. 人类早期传递信息的方法真棒，是件令人开心的事。
- She went to the telegraph office in a hurry. 她匆匆忙忙向电报局去了。
