总需求量的预测和分析木材是最基本的建筑和建筑装饰业的材料，应用的前景十分广阔。目前我国在建筑业中的木材应用的范围及深度与国际先进水平有相当大的差距，以木材型为例，美国在建筑业中的应用不仅包括结构木型材、装饰装修木型材，同时包括施工中使用的盒子板、跳板，可 Prediction and analysis of aggregate demand Timber is the most basic building and building decoration materials, the application of a very broad prospect. At present, the scope and depth of timber application in the construction industry in our country have a considerable gap with the international advanced level. Taking the wood type as an example, the application of the U.S. in the construction industry includes not only structural timber profiles, decorative wood profiles, but also construction Used in the box board, springboard, can