The wetted perimeter of this section is 83.7% of the rectangle in the same discharge, reach slope, roughness coefficient.
在同样水力条件下，最优园底直角断面的湿周是矩形最优断面的83.7%。
According to the results, an empirical relationship of the rill wetted perimeter with the flow discharge and the slope gradient is obtained by the regression analysis.
通过对试验数据的回归分析，得到了细沟过流湿周同流量及坡度的经验关系。
According to the results, an empirical relationship of the rill wetted perimeter with the flow discharge and the slope gradient is obtained by the regression analysis.
通过对试验数据的回归分析，得到了细沟过流湿周同流量及坡度的经验关系。
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