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環境保護 毎日一問(12.25)

2016-12-25View Original

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メリークリスマス!花を交換しましょう。クイズに答えたら、私にも花を忘れずに送ってください。私からも返礼しますよ!単一選択問題:汚水処理場の二次沈殿池におけるオンライン分析項目は_________です。A. 沈泥濃度 B. 沈泥界面位置 C. 溶存酸素 D. 沈泥指数 選択:B
Reply #22016-12-25
汚水処理場の二次沈殿池のオンライン分析項目には___A______があります。 A. 沈泥濃度 B. 沈泥界面位置 C. 溶存酸素 D. 沈泥指数

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