Most petroleum products, including kerosenes, fuel oils, lubricating oils, and waxes, are fractions of petroleum that have been treated to remove undesirable components.
其他石油产品，如汽油、芳烃溶剂、甚至包括有些沥青，则是通过完全或者部分合成而制造的。
Yet most aspirin manufacturing begins with benzene, a hydrocarbon that is typically derived from petroleum products.
但大部分厂家开始使用苯——一种由石油提炼的碳化氢来生产阿司匹林。
Nigeria, although the world's eighth oil exporter, imports most of its refined petroleum products to meet local needs.
尼日利亚是世界第8大石油出口国，但近年来国内大部分石油产品依赖进口。
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