程控用户电话交换机英文怎么说?
SPC-PBX or SPC-PABX SPC-Stored Program Control PBX- Private Branch Exchange PABX- Private Branch Automatic Exchange
程控用户电话交换机--Program Controlled Switch for user
Program-controlled telephone switches users
程控用户电话交换机 Program control user call switchboard
答:程控交换机,全称为存储程序控制交换机(与之对应的是布线逻辑控制交换机,简称布控交换机),也称为程控数字交换机或数字程控交换机。通常专指用于电话交换网的交换设备,...详情>>