branch switchboard
短語(yǔ)詞組
- private branch exchange switchboard 內(nèi)部通信小交換機(jī);專(zhuān)用小交換機(jī)
- branch h type switchboard 分立型配電磐
- private branch switchboard detail 專(zhuān)用交換臺(tái)
- private branch switchboard 專(zhuān)用交換臺(tái);用戶交換臺(tái);用戶縂機(jī)
- The Branch Switchboard 主乾交換機(jī) 返回 branch switchboard