名词
中文翻译：污水处理
同义词：
['wastewater treatment', 'wastewater treatment']
例句：
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1. The city has invested heavily in sewage treatment facilities to improve the environment.
该市已大力投资于污水处理设施，以改善环境。
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2. The sewage treatment plant is responsible for removing pollutants from the city's wastewater.
污水处理厂负责从城市废水中去除污染物。
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3.The government is working on developing new technologies for sewage treatment to reduce pollution.
政府正在努力开发新的污水处理技术，以减少污染。