key technique
关键技术
亮点技术
核心技术
重点技术
技术关键
关键工艺
技术要点
技术难点
key technique for application of belt scale
Key Technique in Construction
key technique main points
Cultural Technique for Hybrid Hazel
Cultural Technique of Ornamental Tomato
high-yielding cultural technique
Manual cultural technique
Standard cultural technique
Super high-yielding cultural technique
Key words: Key words:solid lubricant
1 β-methyl carbapenem’s key intermediates
25 items key requirements