Most petroleum products, including kerosenes, fuel oils, lubricating oils, and waxes, are fractions of petroleum that have been treated to remove undesirable components.

 
  • 大部分石油产品,包括煤油、燃料油、润滑油和石蜡,都是原油经过处理去掉不需要的成分而得到的石油馏分。
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