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Ring-porous

环孔的

1、环孔的

... diffuse-porous 散孔的 ring-porous 环孔的 oak 栎木 ...

ring-porous wood[木] 环孔材;具年轮气孔木

semi-ring-porous wood[木] 半环孔材

semi-ring porous wood半环孔材

生物学

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