Operating a rotary pump at speeds in excess of design requirements could cause（）.
- Adecreased clearances between rotating parts
- Bdecreased slippage to the suction side of the pump
- Cair binding in the discharge ports
- Derosion and excessive wear
问题
Operating a rotary pump at speeds in e
参考解析：
分类：船舶辅助机械题库
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