▼返し勾配2010/01/02 12:02 (C) 株式会社Forex/季楽な家開発奮闘記
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▼返し勾配2010/01/02 12:02 (C) 株式会社Forex/季楽な家開発奮闘記
|
▼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:かえしこうばい
45度から90度までの急な勾配のこと。