求翻译：纯木夹层构造，利用木材的各向异性，或不同木材的不同性能，制成厚度性能不同的薄板，进行取向不同的组合，经粘合压制而成，通常为对称结构，层数5—7层，总厚度5—8ram。是什么意思？

Pure wood sandwich construction, using the different properties of wood anisotropy, or a different timber, made of the different performance of the sheet thickness, orientation and different combinations of repression, bonding, usually symmetrical structure, number of layers 5-7 layer, the total thi

Solid wood laminated construction, the use of anisotropic, timber or the different wood thickness made from different performance, and performance of sheet metal, for a variety of combinations to the bonding suppressed, usually a symmetrical structure, number of layers 5 - 7 floors with a total thic

The pure wood clamp stratofabric makes, the use lumber aeolotropy, or the different lumber different performance, makes the thickness performance different thin steel plate, carries on the orientation different combination, suppresses after the agglutination becomes, usually is the symplex structure

Plain wooden sandwich structure and anisotropy of wood, or different properties of different Woods, made performance sheets of different thickness, orientation of different combinations of adhesive procedures, usually symmetrical structure, layer 5-7 layer, with a total thickness of 5-8ram.

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