A.介質(zhì)損耗 B.直流耐壓或接地電阻 C.泄漏電流和介質(zhì)損耗
A.月季度小修計(jì)劃和年度大修計(jì)劃 B.搶修計(jì)劃立即檢修 C.搶修計(jì)劃盡快更換設(shè)備
A.0.7m B.1.0m C.1.2m