心边材区别不明显
Sapwood heartwood distinction non-obvious
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边材黄白或浅黄褐色
Sapwood yellow white or light yellow brown
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木材具松香气味
Wood pine odor
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木材纹理直
Wood straight grain
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木材结构中
Wood moderate texture
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木材重量轻（气干密度0.36-0.55克/立方厘米)
Wood light weight (air-dried density 0.36-0.55g/cube centimeter)
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生长轮界明显
Growth ring obvious boundary
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早材过渡到晚材缓变
Earlywood to latewood gradual transition
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