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The purpose of the wearing rings used in a centrifugal pump is to ().

单选题
2022-11-04 14:23
A、prevent an internal explosion in the pump when it is overheated
B、enable a visual inspection of the pump while it is running
C、insure a proper alignment of the pump coupling to the driver
D、accommodate for friction between the impeller and the easing
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正确答案
D

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标签: 船舶辅助机械
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