名词
中文翻译：污水管道系统
同义词：
['wastewater piping system', 'sewer piping system']
例句：
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1. The city has implemented a newsewage piping system to improve wastewater treatment efficiency.
该市实施了一个新的污水管道系统，以提高废水处理效率。
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2. Thesewage piping system is crucial formaintaining the cleanliness of our city's streets and parks.
污水管道系统对于保持我们城市街道和公园的清洁至关重要。
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3.The sewage piping system in thisarea has been upgraded to meet stricter environmental standards.
该地区的污水管道系统已经升级，以满足更严格的环境标准。