... 堰；溢流堰 weir 溢流堰顶 crest of overfall; crown of overfall; overflow crest; spillway crest 溢流堰顶缘 overflow edge ...
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width of spillway crest 溢洪道堰顶宽
spillway crest gate 溢流堰顶闸门
circular spillway crest 环形溢流堰顶
crest spillway 坝顶溢洪道
uncontrolled crest spillway 无闸门控制的溢洪道
obstructed crest of spillway 设闸的溢洪道顶
The pier arrangement on spillway crest with sloping upstream face is studied by 310 sets of experiments in the paper.
本文通过310组试验，研究了上游面倾斜的溢流坝的闸墩布置。
Through hydraulic model tests, the spillway crest profile was optimized so as to achieve the required capacity on one hand and to minimize the cost of the spillway crest and the new gate on the other.
通过水工模型试验，一方面优化溢洪道顶部轮廓，另一方面降低溢洪道顶部改造和新闸门的成本。
The Morganza Spillway floodgates were opened for the first time in nearly forty years to lower the crest of the flooding Mississippi River.
为降低密西西比河洪峰，近四十年中，摩根萨溢洪道首次开闸泄洪。
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