由蜡膏及蜡下油研制很高及超高粘度指数的润滑油基础油

由蜡膏及蜡下油研制很高及超高粘度指数的润滑油基础油的英文翻译

基本释义

• PREPARATION OF LUBE BASE OILS WITH VERY-HIGH AND ULTRA-HIGH VISCOSITY INDEXES FROM WAX AND FOOTS OIL