水処理 毎日一問（12.30）
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（単一選択問題）沈殿池は主に懸濁物質と を除去するためのものです。A. BOD5 B. コロイド粒子 C. COD D. アンモニア態窒素 選択：B
沈殿池は主に懸濁物質とBを除去するためのものです。 A.BOD5 B.コロイド粒子 C.COD D.アンモニア窒素
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