A.電網(wǎng)企業(yè)B.用戶C.水、氣、熱企業(yè)統(tǒng)一D.相關(guān)企業(yè)分別
A.1200bit/sB.2400bit/sC.4800bit/sD.9600bit/s
A.用電信息采集B.營銷業(yè)務(wù)應(yīng)用C.PMSD.MDS