English translation for "主叫用户线路继电器"

calling party line relay

Related Translations:

继电器:  [电工] electric relay; relay

Similar Words：

"主叫用户类别" English translation, "主叫用户识别" English translation, "主叫用户识别设备" English translation, "主叫用户提示器" English translation, "主叫用户提醒" English translation, "主叫用户线识别提示" English translation, "主叫用户遇忙预占线" English translation, "主叫原籍网" English translation, "主叫在认证主叫列表中已存在" English translation, "主叫终端" English translation