English translation for "电话电路信号方式"

telephone circuit signaling

Similar Words：

"电话电缆纸" English translation, "电话电缆专用电桥" English translation, "电话电铃" English translation, "电话电路" English translation, "电话电路安全性" English translation, "电话电声测试系统" English translation, "电话电声传输" English translation, "电话电视" English translation, "电话电视发射机" English translation, "电话电视以电话网传送电视的系统" English translation