名词
中文翻译：排水通道
同义词：
['pipe', 'drain', 'aperture']
例句：
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1.The engineer designed the building with a through drainage system to prevent water from seeping in.
工程师设计了一座建筑，采用了一种排水系统，以防止水渗入。
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2. The construction crew carefully installed the drainage through the foundation.
施工队小心翼翼地通过地基安装了排水系统。
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3.The city needed to improve its sewage treatment plant and ensure proper through drainage to reduce pollution.
该市需要改进其污水处理厂，并确保适当的排水来减少污染。