短語詞組短語Petroleum andPetroleum Refining 石油化工業(yè)Petroleum Refining and Coking 石油加工及煉焦業(yè)petroleum refining and petrochemical 煉油化工petroleum refining charts 石油煉制圖表Petroleum processing and refining 煉油廠catalysis in petroleum refining 煉油催化petroleum refining sewage 石油煉制污水chinese petroleum refining industry 中國煉油工業(yè) 返回 petroleum refining