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【毎日のテーマ】【空調版20161016】

2016-10-16View Original

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この投稿は最後にhesonchang214によって2016-11-9 15:19に編集されました。参加報酬:2財富。正解の報酬:9富。 機械式圧送ファンの全圧は、最も不利なループの配管における圧力損失を計算したうえで、防煙階段室の余圧値は( )?A、25Pa B、25~30Pa C、40~50Pa D、50Pa 正解:C

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