A.定整改措施B.定責(zé)任人C.定整改時(shí)間D.定應(yīng)急預(yù)案
A.輸送介質(zhì)粘度增大B.電機(jī)軸承損壞C.泵流量增大D.泵轉(zhuǎn)子與殼體產(chǎn)摩擦
A.氧含量變?yōu)?7%B.監(jiān)護(hù)人不在場(chǎng)C.可燃?xì)怏w濃度降低