水生生物の保全に係る水質環境基準の類型指定読み方
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- 水生生物の保全に係る水質環境基準の類型指定の英語：水生生物の保全に係る水質環境基準の類型指定 designation of water area types of rivers under the Environmental Quality Standards for Water Pollution for the Preservation of Aquatic Life
