名词
中文翻译：水闸
同义词：
['watergate', 'sluice gate', 'water control device']
例句：
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1. Theengineers are working on the new water-ram system.
工程师们正在研究新的水闸系统。
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2. The water-ram is used to regulate the flow of water in a river.
水闸用于调节河流中的水流。
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3.The water-ram was installed to prevent flooding during heavy rains.
安装水闸是为了在大雨时防止洪水。