petroleum refining

短语词组

短语

• Petroleum andPetroleum Refining 石油化工业
• Petroleum Refining and Coking 石油加工及炼焦业
• petroleum refining and petrochemical 炼油化工
• petroleum refining charts 石油炼制图表
• Petroleum processing and refining 炼油厂
• catalysis in petroleum refining 炼油催化
• petroleum refining sewage 石油炼制污水
• chinese petroleum refining industry 中国炼油工业
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