n.加氢精制，氢化提纯...

There is a common method of refining alkaline cleaning , clay refinement and hydrofining, and so on.常用的精制方法有碱洗, 白土精制和加氢精制等.The development of new petroleum wax hydrofining catalyst - FV - 10 commercial experiments on var...

hydrofining的音标：hydrofining的英式发音音标为：['haɪdrəfaɪnɪŋ]hydrofining的美式发音音标为：['haɪdrəfaɪnɪŋ]...