主要木材
Primary Timber Products in China Rise in Import Amount and Price
我国木材初级产品进口量增价升
At the primary stage of drying, the maximum value of elastic tension strain of the timber surface increased with drying temperature rising, and decreased with increment of equilibrium moisture content ( EMC).
干燥前期,木材表层伸张弹性应变最大值随着温度和平衡含水率的增加而减少,木材表层塑性应变则随平衡含水率的增加而增加。
In wood processing, the log section are the external constraints of geometry and calculation of volume saw the key factors, the precise shape of the logs to identify the timber processing industry has become the primary problem.
在木材加工中,原木的外围几何形状是制约下锯及计算材积的关键性因素,对原木形状的精确识别已成为木材加工业的首要问题。
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