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
兰州石化职业技术学院学报
Journal of Lanzhou Petrochemical College of Technology
砾石充填后的酸化作业
post gravel pack acid job
辽宁石化职业技术学院
approximate shock-fitting solution
辽宁石化职业技术学院石油化工系
Department of Petrochemistry
Liaoning Petrochemical Vocational and Technical College
茂名石化乙烯工业公司
Ethylene Plant of Maoming Petrochemical Co
上海石化股份有限公司腈纶事业部
acrylic fibre plant
shanghai petrochemical co.
Ltd.
石化建设监理企业
petrochemical construction supervision enterprise
石化企业
petrochemical
petrochemical industries
petrochemical plant
petrochemical industry
petrochemical enterprise
petrochemical enterprises
petrochemical company
petrochemistry industry
petroleum and chemical enterprise
petro-chemical enterprise
石化销售企业
petrochemical marketing companies
petrochemical sales enterprises
SINOPEC sales enterprises