Chinese translation for "自动电话步进制"

step-by-step telephone system

Similar Words：

"自动电弧焊头" Chinese translation, "自动电弧熔接" Chinese translation, "自动电话" Chinese translation, "自动电话拔号盘" Chinese translation, "自动电话拨号盘" Chinese translation, "自动电话翻译系统" Chinese translation, "自动电话分局" Chinese translation, "自动电话分配" Chinese translation, "自动电话分配器" Chinese translation, "自动电话付费" Chinese translation