grading timber meaning in English
木材按质分类
Examples
- In the production of high - grade section of the first three series with more than 100 varieties . use high - grade timber imported natural . unique design , processing refined , elegant appearance overall
生产的中高档头梳具有三大系列一百多个品种。采用进口天然高档木材。设计独特、加工精制、整体高雅美观。