名词
中文翻译：次级水坝
同义词：
['sub-weir', 'secondary dam']
例句：
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1.The secondary weir is designed to control the flow of water during flood events.
次级水坝设计用来在洪水期间控制水流。
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2.The construction of the secondary weir was a significant project for the town's infrastructure.
次级水坝的建设是该镇基础设施的一个重要项目。
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3. The secondary weir plays an important role in maintaining the water quality in the river.
次级水坝在维护河流水质方面起着重要作用。