A.分析故障性質(zhì)→故障點(diǎn)粗測(cè)→故障點(diǎn)定位B.故障點(diǎn)粗測(cè)→分析故障性質(zhì)→故障點(diǎn)定位C.分析故障性質(zhì)→故障點(diǎn)定位→故障點(diǎn)粗測(cè)D.故障點(diǎn)定位→故障點(diǎn)粗測(cè)→分析故障性質(zhì)
A.A類B.B類C.C類D.D類
A.5KB.10KC.15KD.20K