A.2 B.4 C.6 D.8
A.應(yīng)對(duì)故障母線(xiàn)不經(jīng)檢查即行強(qiáng)送電一次 B.查找不到故障點(diǎn)時(shí),應(yīng)繼續(xù)查找,不得擅自恢復(fù)送電 C.查找不到故障點(diǎn)時(shí),應(yīng)對(duì)故障母線(xiàn)試送電 D.以上說(shuō)法均錯(cuò)誤