A drying and reconditioning experiment was done of the beech lumber used for face layers in 3-layer parquets.
本文介绍对三层实木复合地板的表板用材山毛榉进行的干燥和养生试验。
3
Multi-ply parquets with their perpendicular grain each other layer overcome the anisotropy of natural lumber, also enhance the balance and stability of products.