名词
中文翻译：污泥油
同义词：
['sludge', 'sludge oil', 'sludge oil']
例句：
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1.The wastewater treatment plant is producing a lot of sludge oil.
污水处理厂正在产生大量的污泥油。
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2. The sludge oil has been causing environmental problems for years.
污泥油已经导致环境问题多年了。
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3.The sludge oil was used as fuel in the old days.
在旧时代，污泥油被用作燃料。