- 數(shù)據(jù)通訊服務(wù)
- leased data communication service: 專(zhuān)用數(shù)據(jù)通信服務(wù)網(wǎng)
- communication service: 通信服務(wù); 通信勤務(wù); 通信業(yè)務(wù)
- service communication: 業(yè)務(wù)通信
- data communication: 數(shù)據(jù)傳輸; 數(shù)據(jù)通信盤(pán); 數(shù)據(jù)通訊
- data service: 數(shù)據(jù)服務(wù); 數(shù)據(jù)業(yè)務(wù)
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