单选题If a bilge pump failed to build up discharge pressure, you should check for （）.Aexcessive water in the bilgesBa clogged suction strainerCoil in the bilgesDAll of the above
单选题
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
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