membrane seperation technology 基本例句 膜分离 Classification of membrane separations is based primarily on molecular size.膜分离的分类基本依据是分子大小。 Pervaporation is used in acetic acid separation as a new type of membrane separation technology.摘要渗透汽化作为一种新型的膜分离技术应用于乙酸的分离，可以优先透水或乙酸。