短語詞組短語Petroleum andPetroleum Refining 石油化工業(yè)Petroleum Refining and Coking 石油加工及鍊焦業(yè)petroleum refining and petrochemical 鍊油化工petroleum refining charts 石油鍊制圖表Petroleum processing and refining 鍊油廠catalysis in petroleum refining 鍊油催化petroleum refining sewage 石油鍊制汙水chinese petroleum refining industry 中國鍊油工業(yè) 返回 petroleum refining