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单选题
On modern ships, centrifugal pump with a self-primer has replaced reciprocating pump as bilge pump because（）
A
centrifugal pump is cheaper than reciprocating pump
B
the size of centrifugal pump with same capacity is smaller than that of reciprocating pump
C
centrifugal pump makes maintenance easier than reciprocating pump does
D
all of the above
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更多 “单选题On modern ships, centrifugal pump with a self-primer has replaced reciprocating pump as bilge pump because（）A centrifugal pump is cheaper than reciprocating pumpB the size of centrifugal pump with same capacity is smaller than that of reciprocating pumpC centrifugal pump makes maintenance easier than reciprocating pump doesD all of the above” 相关考题
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