English translation for "电话交换装置"

telephone switching device
telephone switching equipment

Similar Words：

"电话交换台间" English translation, "电话交换网" English translation, "电话交换网络" English translation, "电话交换系统" English translation, "电话交换中心" English translation, "电话交际" English translation, "电话交谈" English translation, "电话交谈节目" English translation, "电话交易市场" English translation, "电话教学" English translation