Chinese translation for "电话交换中心"

telephone switching center

Similar Words：

"电话交换台" Chinese translation, "电话交换台间" Chinese translation, "电话交换网" Chinese translation, "电话交换网络" Chinese translation, "电话交换系统" Chinese translation, "电话交换装置" Chinese translation, "电话交际" Chinese translation, "电话交谈" Chinese translation, "电话交谈节目" Chinese translation, "电话交易市场" Chinese translation