分馏柱 meaning in English

still; dephlegmator; fractional column
◇分馏柱塔板 stripper plate

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。
2 . vertical dephlegmator
2 .竖式分馏柱
Bituminous mixtures - test methods for hot mix asphalt - bitumen recovery - fractionating column
沥青混合料.热混沥青的试验方法.沥青回收.分馏柱
Bituminous mixtures - test methods for hot mix asphalt - part 4 : bitumen recovery : fractionating column
沥青混合物.热混合沥青的试验方法.第4部分:沥青回收:分馏柱