短語(yǔ)詞組短語(yǔ)Tandem Mobile Switching Center 匯接移動(dòng)交換中心Tandem Tie Trunk Switching 中繼聯(lián)絡(luò)干線交換tandem switching exchange 串接交換交換;匯接交換機(jī)tandem switching system 匯接交換系統(tǒng)tandem switching centre 匯接局electronic tandem switching 電子串聯(lián)切換Tandem Mobile -services Switching Centre 匯接移動(dòng)業(yè)務(wù)交換中心 返回 tandem switching