ringdown system


  • 翻译:振铃信号制

同义词

1)ringdown system,振铃信号制2)ring down system signaling equipment,振铃制信号设备3)transit oscillation,振铃信号4)Rering signal,再振铃信号5)composite ringer,双信号振铃6)ringing signal oscillator,振铃信号振荡器

热门电工英语词汇