名词
中文翻译：双重涵洞
同义词：
['double tunnel', 'double trench']
例句：
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1. The engineer designed a double culvert to divert the floodwaters.
工程师设计了一个双重涵洞来疏导洪水。
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2. The construction of the double culvert was completed ahead of schedule.
双重涵洞的建设提前完成。
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3. Thedouble culvert isessential for maintaining the waterway's stability during heavy rainfall.
双重涵洞对于在大雨期间保持水道稳定至关重要。