英语词汇“secondary reference fuel”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	secondary reference fuel
释义	secondary reference fuel secondary reference fuel [′sek·ən‚der·ē ′ref·rəns ‚fyül] (materials) A commercially produced internal combustion engine fuel which is acceptable for knock testing or cetane rating, and which has been calibrated against primary reference fuels by engine tests.
随便看	reqms reqmt reqn reqno reqnom reqon reqpdn reqper reqr reqrcm reqrec reqsi reqssd reqstat reqstatask reqstd reqsupstafol reqt reqtat reqtrac reqtyp requ requal requalification re-qualification testing

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