石油沥青聚氨酯防水涂料  bitumen polyurethane waterproof coating

石油酸酯  petroleum acid ester

中国石油石油勘探开发科学研究院  Research Institute of Petroleum Exploration and Development; PetroChina

中国石油石油勘探开发科学研究院西北分院  northwest sub-institute; Research Institute of Petroleum Exploration and Development; PetroChina; northwest branch; northwest institute

中国石油石油勘探开发研究院  Petroleum Exploration and Development Research Institute; PetroChina; beijing

暗色石油油料  dark petroleum oils

当代石油石化  petroleum & petrochemical today

国外石油石化公司  low cost strategy

跨国石油石化公司  multinational petroleum and petrochemical company

石油石化  Petroleum and Petrochemical Industry; petrochemical; Petroleum and Petrochemical

石油石化产业  Petroleum and Petrochemical Industry

石油石化工业  Petroleum and Petrochemical Industries; Petroleum and Petrochemical Industry

石油石化节能  energy conservation in petroleum&petrochemical industry

石油石化企业  petrolic or petrochemical enterprises; Petroleum and Petrochemical Enterprises; petrochemical enterprise

石油石化物资采购  petroleum & petrochemical material procurement

石油石化行业  Petroleum and Petrochemical Industry

石油石化业  petrochemical industry

石油石蜡  petroleum paraffin

石油油管  oil tubing