“B-B fraction”的概念、定义、翻译、参考文献-科学参考

单词	B-B fraction
释义	B-B fraction [¦bē¦bē ¦frak·shǝn] ^{CHEMICAL ENGINEERING} A mixture of butanes and butenes distilled from a solution of light liquid hydrocarbons.
随便看	sector sectoral harmonic sectoral horn sector boundary sector disk sector display sectored light sector gate sector gear sectorgram sector interleave sector map sector mark sector of fire sector scan sector search sector structure sector wind secular secular acceleration secular determinant secular equilibrium secular parallax secular perturbations secular trend

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