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在进口木材时,卖方并不提供有关树种的科学名称和技术资料。有的笼统地称为“美松”“东南亚木材”,很不明确;有的只写一个商品名称,有的报验单上只注明“云杉”,而“云杉”是松科的一个属——云杉属,全世界约有40种。树种的含糊,影响我们对该木材病、虫的鉴定,因此有必要学习一点木材知识。一、怎样识别木材木材的特征分两类:一是“微观特征”,是借助于显微镜等仪器来观察的微观构造,如木材各种组织的细胞。它可用于木材的进
When importing timber, the seller does not provide scientific names and technical information about the tree species. Some generally referred to as “the United States pine” “Southeast Asian Timber”, is not clear; some just write a trade name, and some re-inspection only single “spruce”, and “spruce” is pine A genus - Picea, there are about 40 species in the world. Vague tree species, affecting our identification of the wood disease, insects, it is necessary to learn a little wood knowledge. First, how to identify the characteristics of wood timber divided into two categories: First, the “micro-features” is the use of microscopic instruments such as microscopic structure to observe the structure, such as wood tissue cells. It can be used for timber entry