名词
中文翻译：分支下水道
同义词：
['branch drain', 'branch pipe']
例句：
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1.The branch sewer runs through the park and connects to the main sewer system.
这条分支下水道穿过公园，连接到主要的下水道系统。
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2.The branch sewer was clogged with debris and needed to be cleared.
这条分支下水道被垃圾堵塞了，需要清理。
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3.The branch sewer serves as a crucial drainage system for the city.
这条分支下水道是城市重要的排水系统。