| 单词 | 辛烷值 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔TIME〕Their purpose would be to set a timetable for the conversion of British cars to low-octane fuel. 他们的目的是制定出一个时间表，把英国的汽车改成使用低辛烷值燃料的汽车。朗文写作活用〔alkylation〕A process in which an alkyl group is added to or substituted in a compound, as in the reaction of alkenes with alkanes to make high-octane fuels.烷化作用，烷基取代：向一种化合物中添加或用一个烷基团替代的过程，如用烯烃和烷烃发生反应以制得高辛烷值燃料美国传统〔hydroforming〕A process in which naphthas are converted to high-octane aromatics in the presence of hydrogen and a catalyst under pressure and heat.临氢重整：在高温高压下，在氢和催化剂的作用下石油精转化为高辛烷值的芳烃的过程美国传统〔octane〕An octane number.一个辛烷值美国传统〔octane〕Racing cars use a high-octane (= powerful) fuel.赛车使用高辛烷值的燃料。剑桥高阶Racing cars use a high-octane (= powerful) fuel.赛车用高辛烷值燃料。剑桥国际The Super Plus unleaded is around 110 octane.超加型无铅汽油辛烷值约为110 。剑桥国际 |
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