Speed is reduced, the pump flow rate will increase instead, and the noise of the pump will be lower, but certainly can't flow theory.
转速降低以后，泵的流量会反而增加，而且泵的噪音会降低，但肯定打不到理论流量。
The test shows the flow in the modified forebay is remarkably improved, the efficiency of the pump raised and the sludge deposit reduced.
试验研究表明，改进后的前池水流流态明显改善，水泵运行效率得到提高，并有效减少了前池的泥沙淤积。
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