分级

• Rock drillability measurement and its classification
  岩石可钻性测定及分级方法
• Standards of classification for groundwater resources
  地下水资源分类分级标准
• The development of ultra fine powder classification
  超细粉体分级技术研究进展
• Development of automated grading system for cucumbers
  黄瓜自动分级系统的研制
• Classification on burning behaviour for building materials
  建筑材料燃烧性能分级方法
• Graduation of building physical performances for steel windows
  钢窗建筑物理性能分级
• Wood poles for overhead lines - strength grading criteria
  架空线用木杆.强度分级标准
• Security zones and content ratings customization
  安全区域和内容分级的自定义设置。
• Testing and qualification method for seed classifier
  种子分级机试验鉴定方法
• Graduation for building physical performances of pvc windows
  塑料窗建筑物理性能分级