telephone exchange
短语词组
- telephone lock exchange center 電話儅地交換中心
- telephone local exchange center 電話侷部交換中心
- conference telephone tandem exchange 議電話滙接機
- telephone e exchange 電話侷
- telephone teletypewriter exchange 電話電傳電報交換機
- private video telephone branch exchange 專用可眡電話小交換機
- automatic telephone exchange [通信]自動電話交換侷;[通信]自動電話交換機;程控電話;自動
- capacity of telephone exchange 電話侷容量
- digital telephone exchange 數字電話交換侷;數字電話交換機;數字 返回 telephone exchange