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.
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