A.48,24B.48,12C.24,12
A.256B.96C.128
A.數(shù)據(jù)業(yè)務(wù)B.語(yǔ)音業(yè)務(wù)C.CATV業(yè)務(wù)D.無(wú)線業(yè)務(wù)