工业化设计方案
industrialization design plan
数字化工业设计
Digitized industrial design
Digital industrial design
大庆石油化工设计院
daqing petrochemical design institute
国有老化工企业
Old state-owned chemical enterprise
化工企业
chemical industry
chemical enterprise
Chemical enterprises
CHEMICAL
chemical company
chemical Complex
chemical industry enterprise
化工企业节能
energy conservation of chemical enterprise
化工企业职业教育
Vocational education of chemical enterprise
化工设计
chemical plant design
chemical process design
chemical design
chemical engineering
chemical technology design
chemical engineering design
process design
化工设计通讯
chemical engineering design communications
金陵石油化工设计院
JinLing Petro chemical Design Institute
兰州炼油化工设计院
Lanzhou Petroleum Processing and Chemical Design Institute
兰州石油化工设计院
lan zhou petrochemical design institute