ASTM D245-2006(2011) 标准详情
- 标准号:ASTM D245-2006(2011)
- 中文标题:确定目检分级木材的结构等级和相关允许性能的标准操作规程
- 英文标题:Standard Practice for Establishing Structural Grades and Related Allowable Properties for Visually Graded Lumber
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2006
Need for Lumber Grading: Individual pieces of lumber, as they come from the saw, represent a wide range in quality and appearance with respect to freedom from knots, cross grain, shakes, and other characteristics. Such random pieces likewise repre
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