イエシロアリの食べ方

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Uploaded by on Mar 1, 2011

木材:杉
比較的柔らかい「春材(早材)」の部分から食害し、秋材(晩材)を残しやすい
これは、それを表している典型例
早材から減っていっている

昭和興産有限会社
http://www2.ocn.ne.jp/~tunagi12/showakousan0.htm
無断転載禁止

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