表明计算所得流量-扬程曲线与实测值吻合良好；
The result demonstrates that the computational head versus discharge curve is coincident with the measuring curve;
本实用新型的优点是既能 满足水泵流量-扬程曲线平坦，又能保证泵的效率。
The utility model has the advantage that the utility model not only satisfies the pump flow, namely that the head curve is smooth, but also ensures the efficiency 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。
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.
分析了低比转数离心泵出现不稳定扬程-流量特性曲线及功率过载的原因，提出了相应解决办法。
The cause of occurrence of power overload and the unstable curve of head-flow volume for low rate ratio pumps was analyzed in this paper. Some methods, then, were presented to solve the problems.
分析了低比转数离心泵出现不稳定扬程-流量特性曲线及功率过载的原因，提出了相应解决办法。
The cause of occurrence of power overload and the unstable curve of head-flow volume for low rate ratio pumps was analyzed in this paper. Some methods, then, were presented to solve the problems.
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