Chinese translation for "电话交换区设备"

exchange area facilities

Similar Words：

"电话交换记录单" Chinese translation, "电话交换局" Chinese translation, "电话交换局级别" Chinese translation, "电话交换控制器" Chinese translation, "电话交换区" Chinese translation, "电话交换区设计" Chinese translation, "电话交换设备总技术规范" Chinese translation, "电话交换台" Chinese translation, "电话交换台间" Chinese translation, "电话交换网" Chinese translation