单词：fractionating column
fractionating column的用法和样例：
例句
- The liquid drawn off from the bottom of the first fractionating column, the primary fractionating column, is fractionated again in another column under low pressure.从第一个分馏塔即初分塔底部下来的液体，再在低压下进入其余的分馏塔分馏。
- 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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