Based on the theory of variety for researching a low head pump system, a new method to separate inlet conduit from pump system was put forward for measuring its hydraulic loss.

根据低扬程水泵装置的研究方法可以多样化的观念，提出了将泵站进水流道模型从水泵装置模型中分离出来单独进行水力损失测试的新方法。

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There exists a saddle type zone in the hydraulic moment curve of axial-flow pump blades which corresponds to the saddle zone of discharge-head characteristic curve of the pump.

轴流泵叶片水力矩随流量变化的关系曲线存在一个马鞍区，并与流量-扬程曲线的马鞍区相对应。

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