1) dividing material as eight grades
材分八等
2) lumber grading
木材分等
3) Grade of dimension lumber
规格材分等
4) Wood grade
木材分等(分级)
5) Timber strength grading
锯材强度分等
6) eight layer plate material
八层板材
1.
Weaving manufacturing display,the result of eight layer plate material has specified thickness and enough shearing stress between two layers,and can used for industrial territorys such as motor vehicle,airplane cushion and so on.
为得到具有三维立体结构的八层板材预制件,采用下接上的角联锁结构进行层间连接的织制方法。
补充资料：材分
1.才能，天资。
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