visual grading meaning in English
外观分级
Examples
- Structural timber - strength classes - assignment of visual grades and species
建筑木材.强度等级.目视等级和样品分类 - Structural timber - strength classes - assignment of visual grades and species
结构木材.强度等级.按目测等级和品种分配 - Structural timber - strength classes - assignment of visual grades and species ; german version en 1912 : 2004
结构木材.强度等级.按目测等级和品种分配