The discharge rate or capacity of a centrifugal pump will vary directly as the （）.
- Achange in the impeller diameter
- Bsquare of the impeller radius
- Ccube of the impeller diameter
- Dimpeller efficiency for large changes in its size
问题
The discharge rate or capacity of a ce
参考解析：
分类：船舶辅助机械题库
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