心邊材區(qū)別略明顯
Sapwood heartwood distinction slightly obvious
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心材黃色或黃褐色
Heartwood yellow or yellow brown
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邊材黃白或淺黃褐色
Sapwood yellow white or light yellow brown
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木材具松香氣味
Wood pine odor
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木材紋理直
Wood straight grain
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木材結(jié)構(gòu)中
Wood moderate texture
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木材重量輕（氣干密度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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生長輪界略明顯
Growth ring slightly obvious boundary
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早材過渡到晚材緩變
Earlywood to latewood gradual t
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