生物技术专业
biotechnological
biotechnology specialty
biotechnology major
the biological technology major
biotechnological specialty
biotechnology speciality
biological technology
数控化技术改造
numerical control technological reform
数控机床技术改造
NC machine tool technical retrofitting
数控技术
numerical technology
numerical control technology
numerical control
NC technique
CNC technology
digit control technique
Numeral control NC technology
NC technology
numerical control technique
numerial controlled technology
Nummerical control technology
digit control technology
CNC machining
the NC technique
NCT
nc
CNC Technique
digital controlling technology
CNC
numeric control technology
Technology
Aluminum-zinc coating
technology of numerical control
digital control technique
numerical control technolog
数控技术发展动态
NC technological development tendency
数控技术应用
NC Technology Application