a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines.

 
  • 易挥发、易燃烧的烃类(乙烷、庚烷、辛烷等)混合物,来自石油,主要用作内燃机燃料。
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