The phosphatides must be removed in refining and bleaching prior to the deodoerization process. 磷脂必须在脱臭过程前的精炼和脱色中去除。
The role of precaustic washing in the sweetening of gasoline and the influence of nonprecaustic washing gasoline on the sweetening process were discussed. 对催化裂化汽油脱臭精制过程中预碱洗的作用及取消预碱洗对汽油脱臭精制带来的影响进行了讨论。
deodour by oxidizing process怎么读 deodour by oxidizing process是什么意思
