疑问-5如何浓缩？ A Grinding IEC-(cation) Disalting Concentration 超滤 (size) Extraction IEC-(anion) Lyophilization Clarification HIC Product 2 Processing time(day) B C L01013102010221025102710311110sA疑问-5 如何浓缩？ 超滤（size） 严禁复制