a fractionating column
英
美
- 分馏柱
双语例句
- As the solution to be purified is heated, its vapors rise to the fractionating column.
当要被提纯的液体受热时，它的蒸汽上升到分馏柱。 - Reaction is carried out under a fractionating column that allows aldehyde to pass but returns alcohol to the reaction vessel.
反应是在装有分馏柱的反应器中进行的，分馏柱能让醛通过但使醇回流到反应器中。
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