名词
中文翻译：次级排水结构
同义词：
['subsurface drainage structure']
例句：
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1.The subdrainage structure is designed to prevent water from seeping into the ground.
次级排水结构设计用来防止水分渗入地面。
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2. The engineers were tasked with designing a subdrainage structure for the new construction project.
工程师们被指派为新建设项目设计一个次级排水结构。
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3. The subdrainage structure plays a crucial role in maintaining the stability of the soil and preventing land subsidence.
次级排水结构在保持土壤稳定性和防止土地沉降方面起着至关重要的作用。