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单词 octane number
释义 octane numbern.(名词)
  1. A numerical representation of the antiknock properties of motor fuel, compared with a standard reference fuel, such as isooctane, which has an octane number of 100. Also called octane rating 辛烷值:与标准参考燃料相比,表示发动机燃料抗震性的数值,如异辛烷的辛烷值为100 也作 octane rating
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