octane number
octane-number的词性:
n.(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:表示内燃机中与某一标准参考燃料相比获得的燃料所含防震物质的值,如异辛烷的辛烷值为100也作 octane rating