A.0.5sB.1sC.1.5sD.0.8s
A.峰值B.低值C.極值D.沒(méi)變化
A.鉆井液循環(huán)系統(tǒng)B.數(shù)據(jù)處理儀故障C.計(jì)算機(jī)故障D.壓力跳線故障