petroleum
特殊用法artificial petroleum1.■人造石油asphaltic petroleum1.■沥青质石油high point petroleum1.■高沸点石油lacquer petroleum1.■石油溶剂light petroleum1.■石油醚mixed-base crude petroleum1.■混合基原油naphthene -base crude petroleum1.■环烷基原油non-asphaltic petroleum1.■非沥青质石油primary petroleum1.■初级石油saponated petroleum1.■皂化石油semi-asphaltic petroleum1.■半沥青油semi-asphaltic oil1.■半沥青油synthetic petroleum1.■合成石油