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- VF carrier telegraph 音频载波电报
- VFT? Voice Frequency carrier telegraph Terminal? 音频载波电报终端?
- A VF carrier system can be operated over any telephone type circuit, wire or radio. 话频载波系统可利用任何电话类型的有线线路或无线线路工作。
- VF carrier system can be operated over any telephone type circuit, wire or radio. 话频载波系统可利用任何电话类型的有线线路或无线线路工作。
- 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
