名词
中文翻译：溢流口
同义词：
['overflow lip', 'spillway lip']
例句：
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1.The engineer designed the spillway to divert water from the river during heavy rains.
工程师设计了溢流堰，以便在大雨时将河水引向河中。
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2. The spillway was constructed to prevent flooding during storms.
溢流堰被建造来防止暴风雨时的洪水。
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3. The spillway is crucial for maintaining water levels in reservoirs during droughts.
溢流堰对于水库在干旱期间保持水位至关重要。