名词
中文翻译：重力涵洞
同义词：
['gravity tunnel', 'gravity shaft例句：1. The engineers designed a gravity culvert to divert the floodwaters.（工程师设计了一个重力涵洞来转移洪水。）']
例句：
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1. The engineers designed a gravity culvert to divert the floodwaters.
工程师设计了一个重力涵洞来转移洪水。
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2.The construction of the gravity culvert was completed ahead of schedule.
重力涵洞的建设提前完成了。
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3. The gravity culvert is essential for maintaining the stability of the riverbed.
重力涵洞对于保持河床的稳定性至关重要。