名词
中文翻译：Unknown
同义词：
['heavy fuel oil', 'heavy residual oil']
例句：
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1.The heavy residual fuel oil is a major source of pollution in the region.
该地区的主要污染源之一是重残燃料油。
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2.The heavy residual fuel oil was used to power the old coal-fired power plant.
重残燃料油被用来为旧的燃煤发电厂提供动力。
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3.The heavy residual fuel oil is being phased out due to its high environmental impact.
由于其高环境影响，正在逐步淘汰重残燃料油。