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The advantage of a centrifugal pump as compared with a reciprocating pump is that （）.

单选题
2022-01-01 15:34
A、discharge is continuous
B、it has no internal valves
C、upon accidental closing of discharge valve, excessive pressure will not build up
D、all of the above are true
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正确答案
D
试题解析
标签： 船舶辅助机械
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