...or centrifugal, mixed flow and axial pumps"离心泵、混流泵和轴流泵 汽蚀余量 Efficiencies for centrifugal pumps离心泵效率 Technical specifications for mixed and axial flow pumps混流泵、轴流泵技术条件 ..
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通过改变叶轮口环间隙的大小对不同叶片型式的低比转速离心泵进行试验，证明口环间隙对低比转速离心泵效率的影响与泵叶轮的叶片的型式无关。
The experiments on different types of impeller are done by changing the clearance of wear-ring to prove that the clearance has no influence on the pump efficiency under various types of impeller.
本文为提高离心泵叶轮的设计质量及效率提供了一个新的方法。
CAD method for improving design quality and efficiency of centrifugal pump impeller is provided.
矿山排水离心泵在阻力偏高管网中工作时，其流量偏小，效率低。
The mine drainage centrifugal pump operating in the piping with high resistance have smaller fluorite and lower efficiency .
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