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

国家石油和化学工业局  State Petroleum and Chemical Industry; State Bureau of Petroleum and Chemical Industry

华东化工学院工业催化与石油化工研究所  Institute oE Industrial Catalysis; East China University of Chemical Technology

辽宁石化职业技术学院石油化工系  Department of Petrochemistry; Liaoning Petrochemical Vocational and Technical College

石油和化学工业  Petroleum and chemical industries; Petrol and chemical industry; Petroleum and Chemical Industry

石油化工企业  petrochemical company; petrochemical enterprise; petrochemical enterprises

石油化工行业  petrochemical industry; Petroleum and Petrochemical Industry

石油化学工业  petrochemical industry; petrochemicalindustry

石油化学品工业  petroleum chemicals industry

中国石油化工股份有限公司油田事业部  SINOPKC Oilfield Department

中国石油化工总公司职业病防治研究中心  Institute of Prevention and Cure of Occupational Disease; beijing yanshan petrochemical corporation

北京石油化工工程公司环保所  Beijing Petrochemical Engineering Company EPI

大庆石油化工工程公司  daqing petrochemical engineering co

洛阳石油化工工程公司  LPEC; Luoyang Petrochemical Engineering CO

石油化工工程  petrochemical project; petrochemical engineering

石油化工工程建设项目  petrochemical engineering construction project

石油化工工程设计  petrochemical plant design

石油化工工人  Petrochemical worker

石油石化业  petrochemical industry