单选题If a bilge pump is able to develop vacuum, but is unable to sufficiently pump out the bilges, you would check for all of the following EXCEPT （）.Athe circuit breakerBfor leaks in the suction pipingCrelief valve is not properly seatedDthe suction strainer
单选题
If a bilge pump is able to develop vacuum, but is unable to sufficiently pump out the bilges, you would check for all of the following EXCEPT （）.
A
the circuit breaker
B
for leaks in the suction piping
C
relief valve is not properly seated
D
the suction strainer
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