octane grade 中文意思是什麼
octane grade
解釋
辛烷值-
Testing of mineral oil hydrocarbons and similar liquids ; determination of the grade of purity by gas - chromatography ; n - heptane, iso - octane and toluene
礦物油碳氫化合物及類似液體的檢驗.用氣相色譜法測定
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