英语词汇“octane number”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	octane number
释义	Word Frequency octane number or octane rating noun a measure of the quality of a petrol expressed as the percentage of isooctane in a mixture of isooctane and n-heptane that gives a fuel with the same antiknock qualities as the given petrol
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