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【空調版】毎日一問20180515

2018-05-15View Original

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クリーンルームの空気清浄度等級が1~4級の場合、採用できる気流パターンは()です。 A、水平一方向流 B、垂直一方向流 C、非一方向流 D、放射流 答え:B

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