试验结果表明：护坦减轻了下游纵向围堰左侧坝趾处的回流淘刷，隔流墩明显减轻了防冲墙附近河床的冲刷，确保了坝基和下游纵向围堰的安全。
The test results show that the apron can reduce back flow at the dam toe, and the piers can obviously diminish river bed scouring near the scour resistant wall.
在PIV流迹显示试验中观察到在模型上下两侧发生流动分离，后方有两个大旋涡，且在两个旋涡中间回流处测点的风压系数大于附近测点。
In the PIV flow visualization experiment, flow separation takes place at the top and bottom edges and two large vortices behind the model that remain attached to the back of the model are observed.
对外混式自吸泵的回流孔面积进行对比试验，确定最佳设计方案。
Through comparison testing of the surface of reflowing holes of the external-mix self-sucking pump, the best design is determined.
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