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由中国石油兰州石化公司与中国石油石油化工研究院联合开发、中国石油兰州石化公司生产的新产品LDO-75新型重油催化裂化催化剂在中国石油大连石化分公司3.5 Mt·a~(-1)重油催化装置应
By the China Petroleum Lanzhou Petrochemical Company and China Petroleum and Petrochemical Research Institute jointly developed by China Petroleum Lanzhou Petrochemical Company’s new product LDO-75 new heavy oil catalytic cracking catalyst in PetroChina Dalian Petrochemical Branch 3.5 Mt · a -1 heavy oil Catalytic device should be