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词汇 petroleum
释义 petroleumpetroleum[piˈtrəuliəm]n.1.石油crude [raw] petroleum原油, 重油petroleum engine石油发动机petroleum ether石油醚petroleum jelly (=vaseline)凡士林
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
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