以矩形槽为例，分析求解渡槽最优纵坡，提出了渡槽最优水力要素的计算步骤和计算方法，所推导公式的方法同样适应于淤地坝无压输水涵洞、暗渠等类似工程。

In this paper, taking the rectangular aqueduct as the example, based on the analysis of the optimal solution aqueduct, the calculation steps and method of the optimal hydraulic elements are proposed.

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