For a given channel geometry slope and roughness and a specified value of discharge a unique value of depth occurs in steady uniform flow.

对于给定的河道几何形状、坡度、粗糙度以及规定排水量，均匀稳流中出现唯一深度值。

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For a given channel geometry slope and roughness and a specified value of discharge a unique value of depth occurs in steady uniform flow.

对于给定的河道几何形状、坡度、粗糙度以及规定排水量，均匀稳流中出现唯一深度值。

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