锐高
The general rectangle sharp-crested weir, when the water head of weir over comes to a certain height, the weir flow is the free weir flow.
一般的矩形薄壁堰,当堰上水头为一定高度时,过堰水流是正常的自由堰流。
We shall do well to pass over its sharp crests at a good height from them.
我们顶好绕过那些相当高的尖峰.
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