petroleumn.石油
petroleum geologic characteristics石油地质特征
Petroleum Abstracts Search Service石油提炼研究处
Petroleum and natural gas engineer石油和天然气工程师
Petroleum jelly or other lubricant凡士林或其它润滑剂
petroleum products evaporation loss油品蒸发损耗
petroleum and petrochemical company石油石化公司
petroleum-base incendiary mixture油基燃烧剂
Petroleum drilling weight indicator石油钻井指重表
Petroleum is formed of hydrocarbons石油是由碳氢化合物组成的。