fractionating column
柯林斯詞典
1. N a long vertical cylinder used in fractional distillation, in which internal reflux enables separation of high and low boiling fractions to take place 精餾塔[chem]
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1. N a long vertical cylinder used in fractional distillation, in which internal reflux enables separation of high and low boiling fractions to take place 精餾塔[chem]