拨游梁式抽油机驴头,应将抽油机停在接近下死点(),刹紧抽油机刹车。A.0.1~0.2mB.0.2~0.25mC.0.25~0

题目

拨游梁式抽油机驴头,应将抽油机停在接近下死点(),刹紧抽油机刹车。

A.0.1~0.2m

B.0.2~0.25m

C.0.25~0.30m

D.0.3~0.5m