离心泵铭牌上标出的性能参数即为最高效率点上的工况参数。
Centrifugal pump nameplate on the performance parameters shall be marked the highest point on the efficiency of the working condition parameters.
结果表明，在最高效率点附近，效率随桨叶几何参数的变化比较缓慢；
The calculated results indicate that the variation of efficiency with geometry parameters is more gradual in the vicinity of efficiency maximum.
本文分析了泵及泵装置的水力损失和水力效率的关系，推求出了泵装置的最高效率工况点。
The most efficient work point of of the pump device was deduced after the analysis of the relationships between hydropower loss and hydropower efficiency in pump and pump device.
本文分析了泵及泵装置的水力损失和水力效率的关系，推求出了泵装置的最高效率工况点。
The most efficient work point of of the pump device was deduced after the analysis of the relationships between hydropower loss and hydropower efficiency in pump and pump device.
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