In fractional distillation, that part of the distillate which may be returned to the column to assist in making a better separation into desired fractions.
在分馏中被送回塔内促进更好分离成所需馏分的那部分馏分油。
In fractional distillation, that part of the distillate which may be returned to the column to assist in making a better separation into desired fractions.
在分馏中被送回塔内促进更好分离成所需馏分的那部分馏分油。
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