Chinese translation for "业务电话系统"

service telephone system

Similar Words：

"业务地区说明" Chinese translation, "业务点" Chinese translation, "业务电报" Chinese translation, "业务电传" Chinese translation, "业务电话" Chinese translation, "业务电路" Chinese translation, "业务电路单元" Chinese translation, "业务电路增音机" Chinese translation, "业务电码" Chinese translation, "业务电台执照" Chinese translation