英语词汇fractional distillation怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	fractional distillation
释义	fractional distillation noun mass noun Chemistry separation of a liquid mixture into fractions differing in boiling point (and hence chemical composition) by means of distillation, typically using a fractionating column 【化】分馏。
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