短語詞組短語branch -exchange 支路交換private automatic branch -exchange 繙譯a refined branch -exchange algorithm 改進支路交換法private automatic branch exchange 專用自動小交換機;[通信]專用自動電話交換機;專用自動交換分機;專用自動分機交換Private Branch Exchange PBX 用戶交換機;交換機;私用分支交換;專用小交換機CBX Computerized Branch eXchange 計算機化小交換機;計算機化的交換分機;程控交換;程控小交換機CBX computenzed branch exchange 計算機化分機交換 返回 branch exchange