英语词汇“research 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	research octane number
释义	DictionarySeeoctane rating research octane number research octane number [ri′sərch ′äk‚tān ‚nəm·bər] (engineering) An expression for the antiknock rating of a motor gasoline as a guide to how vehicles will operate under mild conditions associated with low engine speeds. See RON See RON
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