祼眼井通井,通井规距套管鞋以上()左右时,要减速下放。A.50mB.100mC.150mD.200m
祼眼井通井,通井规距套管鞋以上()左右时,要减速下放。
A.50m
B.100m
C.150m
D.200m
相关考题:
新井通井当通井至人工井底以上()左右时,应减慢下放速度。A.30mB.50mC.100mD.150m
祼眼井通井,通井规距套管鞋以上()左右时,要减速下放。
A.50m
B.100m
C.150m
D.200m