名词
中文翻译：活性污泥系统
同义词：
['activated sludge', 'activated sludge process']
例句：
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1. The activatedsludge system is an effective way to treat wastewater.
活性污泥系统是一种有效的废水处理方法。
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2. The activated sludge system helps to remove pollutants from the water.
活性污泥系统有助于从水中去除污染物。
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3.The activated sludge system has been widely used in wastewater treatment plants.
活性污泥系统在污水处理厂得到了广泛应用。