外貿(mào)外語考試英語輔導(dǎo)：木材宏觀構(gòu)造

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    橫切面cross section
    徑切面radial section
    弦切面tangential section
    徑切板和弦切板quarter-sawn and flat-sawn lumber
    心材heartwood
    邊材sapwood
    心材樹種heartwood tree
    邊材樹種sapwood tree
    熟材ripewood
    熟材樹種ripewood tree
    偽心材false heartwood
    內(nèi)含邊材included sapwood
    有孔材porous wood
    無孔材nonporous wood
    木材缺陷defects of wood
    節(jié)子knot
    生長輪(年輪生長輪)growth ring
    年輪annual growth ring
    偽年輪false ring
    輪界線growth-ring boundary
    早材earlywood，springwood
    晚材latewood， summerwood
    導(dǎo)管vessel
    導(dǎo)管分子vessel element
    管孔pore
    導(dǎo)管線vessel line
    散孔材diffuse-porous wood
    環(huán)孔材ring-porous wood
    半環(huán)孔材semi-ring porous wood
    半散孔材semi-diffuse porous wood
    侵填體tylosis
    樹膠gum
    傍管類薄壁組織paratracheal parenchyma
    *寬帶狀薄壁組織broad-bands parenchyma
    *環(huán)管束狀薄壁組織vasicentric parenchyma
    *翼狀薄壁組織aliform parenchyma
    *聚翼狀薄壁組織confluent parenchyma
    離管類薄壁組織apotracheal parenchyma
    *星散狀薄壁組織diffuse parenchyma
    *輪界狀薄壁組織terminal parenchyma
    *切線狀薄壁組織metatracheal parenchyma
    木射線ray
    胞間道intercellular canal
    樹脂道resin canal
    創(chuàng)傷樹脂道traumatic gum canal
    髓斑pith fleck