voice-frequency signalling current的意思|示意
美 / /
英 / /
音频振铃电流
voice-frequency signalling current的网络常见释义
音频信号电流 ... 音频谐波失真 AF harmonic distortion 音频信号电流 voice-frequency signalling current 音频信号发生器 audio signal generator ...
voice-frequency signalling current相关短语
1、 voice frequency signalling current 音频振铃电流