爆破工程地质
blasting engineering geology
engineering geology
现代爆破工程
modern blasting engineering
需求工程工具
requirement engineering tools
《工程程序手册》
project procedures manual
Internet工程工作小组
internet Engineering Task Force
北京石油化工工程公司环保所
Beijing Petrochemical Engineering Company EPI
材料加工工程
engineering of materials processing
大庆石油化工工程公司
daqing petrochemical engineering co
钢铁冶金过程工程
ferrous metallurgy process engineering
steelmaking process engineering