ringing trip relay

电器电子专业英语词汇 ... ringing signal 呼叫信号 ringing trip relay 振铃切断继电器 rinse 冲洗 ...

http://www.ptsgi.com/chinese... ... "振铃"," Ringing" "振铃跳脱继电器"," Ringing trip relay" "振铃电键"," Ringing key" ...