研究比较各种分离方法,提出了用复合萃取分离法从120号溶剂油中分离出正庚烷并回收甲基环己烷的方案。 更多例句>> 4) 120# solvent naphtha 120#溶剂油 1. The characteristics of a adulterated sample of diesel oil by120# solvent naphthawere studied with three-dimension spectral subtraction fluorescence techniq...