strength class meaning in English
强度分级
Examples
- Timber structures - strength classes ; german version en 338 : 2003
木材结构.强度等级 - Strength classes grades of prestressed tendon
预应力筋强度等级30 - Strength classes grades of steel barokok . org
普通钢筋强度等级30 - Minimum strength class of masonry
砌体材料最低强度等级47 - Structural timber - strength classes
结构木材.强度等级