If a bilge pump failed to build up discharge pressure you should check for _____.A.excess

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If a bilge pump failed to build up discharge pressure, you should check for _____.

A.excessive water in the bilges

B.a clogged suction strainer

C.oil in the bilges

D.All of the above

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗