成材等级 [
chéng cái děng jí]
[木] grade of lumber
- 每片成材离开工厂时会加盖一个等级标识。
S. A grade stamp on each piece of lumber as it leaves the mill. - 设计时胶合木梁集成材构件外观是需要考虑的一个问题时,必须指定外观等级。
Where appearance of the glulam members is a design consideration, an appearance grade must be specified.
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