分级

• Classification on burning behaviour for building meterials
  建筑材料燃烧性能分级方法
• Classification for coal quality part 3 : calorific value
  煤炭质量分级第3部分：发热量
• Graduation of physical performances for building curtain walls
  建筑幕墙物理性能分级
• Graded standard of citrus budlling and its inspection
  柑桔嫁接苗分级及检验
• Wood poles for overhead lines - strength grading criteria
  架空线用木杆.强度分级标准
• Grading polished diamonds - terminology and classification
  分级抛光的钻石.术语和分类
• Superfine - functional tourmaline powder classification
  超细功能负离子电气石的分级研究
• Classification of mulberry silkworm cocoons dried cocoons
  桑蚕茧干茧分级
• Thoughts on grade teaching of quot; university computer basis quot
  分级教学的若干思考