Structural timber. Grading. Requirements for visual strength grading standards.
建筑用木料.分级.目检强度分级标準的要求
strength grading of wood - part 1 : coniferous sawn timber
木材强度分级.第1部分:针叶锯木木材
Specification for visual strength grading of softwood
软木的外观强度等级规范。
The method of determination of strength grading of Magnesium Oxychloride Cement is reported and discussed in this paper.
本文报道和讨论了氯氧镁水泥的标号测定方法问题。
Structural timber -- Machine strength grading -- Basic principles
结构用木材—机械强度分级—基本原则
Structural timber -- Visual strength grading -- Basic principles
结构用木材—可视强度分级—基本原则
Specification for visual strength grading of hardwood
硬木外观检测强度分级规范