名词
中文翻译：Unknown
同义词：
['activated wastewater', 'activated sludge', 'activated effluent']
例句：
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1. The cityhas been working on a project to treatactivated sewage before it's discharged into the river.
该市一直在努力处理活化污水，使其在排放到河流之前得到净化。
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2. The activated sludge process is used to remove pollutants from activated sewage.
活性污泥法用于从活化污水中去除污染物。
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3. Theactivated effluent is then treated furtherbefore being released into the environment.
然后对活化污水进行进一步处理，再将其释放到环境中。