1) small specification tube
小规格管材
3) mini-sized irregular-shaped metallurgical materials
小规格异形材料
4) dimensional lumber
规格材
1.
The authors first describe the concept of dimensional lumber and the progress of in-grade testing for dimensional lumber in North America.
规格材是现代轻型木结构建筑的主要用材。
2.
The similarities and differences of visual grading rules of dimensional lumber between the Chinese and Canadian standards were discussed in this paper.
分析我国GB 50005-2003《木结构设计规范》与加拿大规格材目测分等规则NLGA 2002的异同,并根据NLGA对中国杉木人工林规格材进行了目测分级试验。
5) Dimension lumber
规格材
1.
A research on machine grading rule of dimension lumber;
规格材机械分级方法的研究
2.
Evaluation of modulus of elasticity for dimension lumber by three nondestructive techniques;
3种无损检测技术评估足尺规格材的静态弹性模量
3.
By the dynamical vibration and static bending test,it is found that the dynamical test method has a good estimation of the elastic properties of dimension lumber.
通过对规格材动态振动和静态弯曲测试研究,发现用这种动态测试方法对规格材弹性性质进行预测效果较好,总回归方程相关系数在0。
补充资料：东北轻合金加工厂生产的铝合金挤压管材和空心材
东北轻合金加工厂生产的铝合金挤压管材和空心材
睽铝合;;:;;;、:;产的
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条