dial exchange
短語詞組
- dial telephone exchange 自動(dòng)電話交換機(jī)
- panel l dial exchange 升降制自動(dòng)交換機(jī)
- rural community dial exchange 農(nóng)村集團(tuán)自動(dòng)交換局
- electronic dial exchange 電子式撥號(hào)交換機(jī);電子式自動(dòng)交換機(jī)
- panel dial exchange 升降制自動(dòng)交換機(jī)
- dial exchange area [通信]自動(dòng)電話區(qū)
- dial private branch exchange 專用自動(dòng)電話局
- telegraph dial exchange 電報(bào)撥號(hào)交換機(jī)
- electronic conductivity control dial exchange 電子式撥號(hào)交換 返回 dial exchange