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
石油化工用阀
valves used for oil and chemical industry
石油石化工业
Petroleum and Petrochemical Industries
Petroleum and Petrochemical Industry
中国石化石油工程西南公司测井分公司
Well-logging Branch of Southwest Petroleum Engineering Ltd.Co.
Sinopec
中国石化石油工程西南有限公司测井分公司
well logging branch
southwest petroleum engineering co.
Ltd.
Sinopec
中石化石油工程西南公司测井分公司
logging services company
sinopec southwest petroleum engineering company
中石化石油工程西南有限公司测井分公司
logging company
southwest engineering limited
Sinopec
稠油污水回用
Heavy oil wastewater recovery
炼油污水回用
reuse of refinery wastewater
refinery wastewater reclamation