▼心材と辺材2010/01/02 19:37 (C) 株式会社Forex/季楽な家開発奮闘記
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▼心材と辺材2010/01/02 19:37 (C) 株式会社Forex/季楽な家開発奮闘記
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(C) Stepup Communications Co.,LTD. All Rights Reserved Powered by samidare. System：enterpriz [network media]
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よみ：しんざいとへんざい
樹木の中心部に近い部分を製材したものが心材、樹皮に近い外周部を製材したものが辺材。