Chinese translation for "四线制交换中心"

four-wire switching center
four-wire switching centre

Similar Words：

"四线制电话线路" Chinese translation, "四线制电路" Chinese translation, "四线制多路复用设备" Chinese translation, "四线制话频电话中继器" Chinese translation, "四线制交换" Chinese translation, "四线制配线" Chinese translation, "四线制线路" Chinese translation, "四线制线路适配器" Chinese translation, "四线制增音器" Chinese translation, "四线制终端设备" Chinese translation