voice frequency channel的意思|示意
声频信道
voice frequency channel的网络常见释义
音频信道 音频信号传输系统 voice frequency signalling system 音频信道 voice channel ;voice frequency channel ;voice grade channel 音频信道多路转接器 voice channel multiplexer ..
voice frequency channel相关短语
1、 VFC Voice Frequency Channel 音频信道
2、 voice frequency channel detail 音频通道
3、 telegraph voice frequency channel 电报音频通路