内回流是分馏塔内借助内部冷却盘管使蒸气冷凝而产生的液体。
Induced reflux is liquid formed within a fractionation tower by condensation of vapors by means of an internal cooling coil.
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。
Reaction is carried out under a fractionating column that allows aldehyde to pass but returns alcohol to the reaction vessel .
充填有小物体(填料)使上升蒸气与下降液体紧密接触的分馏塔或吸收塔。
A fractionating or absorber tower which is filled with small objects (packing) to effect an intimate contact between rising vapor and falling liquid.
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