短語(yǔ)詞組短語(yǔ)telephone trunk line 電話主線telephone network line 電話網(wǎng)線Telephone main line 電話主線telephone e line 電話線telephone party line 同線電話telephone -line concentrator 電話線路集線器;電話線集中器Telephone off line 電話斷線an engaged telephone -line 佔(zhàn)用著的電話線Special telephone -line service 專線服務(wù) 返回 telephone line