西瓜单词

sapwood是什么意思

sapwood

英 [ˈsæpwʊd] 美 [ˈsæpwʊd]
  • n. 边材,白木质

sapwood 双语例句


Heart sapwood distinction was not obvious , chestnut brown .
心边材区别不明显,材色栗褐色。
The older , inactive central wood of a tree or woody plant , usually darker and harder than the younger sapwood .
心材,树干树木或木本植物中较老的不再生长的部分,通常比树龄短的边材更硬且颜色更深。
The sapwood is pinkish and the heartwood pinkish-brown . Texture is uniform and occasional pieces have highly figured , wavy grain .
边材为粉红色,心材为粉红褐色。质地统一,个别木材有图案明显的波状纹路。
The greatest variation takes place in the volume contractive rate of the heartwood , collapse factor and collapse depth of the sapwood .
心材的体积收缩率、边交界材的皱缩因子和皱缩深度变化最大。

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