A.油罐底部有異物 B.未從檢尺口下尺 C.檢尺時(shí)先讀小數(shù)再讀大數(shù) D.檢尺時(shí)先讀大數(shù)再讀小數(shù)
A.5min B.10min C.15min D.20min
A.10% B.15% C.20% D.25%