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A multistage centrifugal pump can be BEST described as having ().

单选题
2022-01-03 23:46
A、two or more impellers housed together in one casing and mounted on a single shaft
B、a single stepped impeller mounted in a progressively staged casing
C、a large radial clearance between the impeller and casing to prevent overheating due to
D、an increase in the discharge velocity of the liquid with a corresponding decrease in pressure through the stage
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正确答案
A

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标签: 船舶辅助机械
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