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介绍可调节叶片高比速（ns=800）斜流泵水力模型、设计方法要点、模型试验以及扬程在 5～9m范围内代替轴流泵使用的许多优点。
This paper introduces the advantages and disadvantages of the adjustable blade high specific speed (ns = 800) diagonal flow pump hydraulic model, the design method, the model test and the replacement of the axial pump with the head in the range of 5 ~ 9m.