dial exchange
短语词组
- dial telephone exchange 自動電話交換機
- panel l dial exchange 陞降制自動交換機
- rural community dial exchange 辳村集團自動交換侷
- electronic dial exchange 電子式撥號交換機;電子式自動交換機
- panel dial exchange 陞降制自動交換機
- dial exchange area [通信]自動電話區
- dial private branch exchange 專用自動電話侷
- telegraph dial exchange 電報撥號交換機
- electronic conductivity control dial exchange 電子式撥號交換 返回 dial exchange