▼主筋2010/01/02 19:20 (C) 株式会社Forex/季楽な家開発奮闘記
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▼主筋2010/01/02 19:20 (C) 株式会社Forex/季楽な家開発奮闘記
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▼100advertising▼ranking
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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:しゅきん
鉄筋コンクリート造の柱やはりの主要な鉄筋。