They refined crude oil into various petroleum products.他们将原油提炼成各种石油产品.ABout 90 % of the waxes in commerce are recovered by dewaxing petroleum.工业用蜡中约有90%是由石油中回收的.The petroleum exploration geologist working with subsurface...
Petroleum engineers plan and manage the extraction of oil.石油工程师规划并管理石油的提炼。The purpose of oil refinery is to refine crude petroleum.炼油厂的主要工作是提炼原油.They refined crude oil into various petroleum products.他们将原油提炼成各种石油产品....
...his terrifying and venomous Aunt Bridget...他那可怕而恶毒的布丽奇特姨妈Bridget looked at him and smiled widely.布里奇特看了看他,裂嘴笑了.When her master was departed, Mrs. Deborah stood silent, expecting her cue from Miss Bridget.主人走后, 德波拉大娘站在...
This paper studies the Pntimi _ zation of the composition and production process of intensified lactulose milk powder.要本文探讨了强化乳酮糖奶粉的最优化配方及最佳工艺流程.Groups of refugees are on the move following intensified fighting in the re...