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水処理 毎日一問(12.20)

2016-12-20View Original

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この投稿は、2016年12月20日13時41分に68589544によって最終的に編集されました。単択問題:工程上の要求に従って栄養塩を添加する際は、一般的に____で換算するべきです。A. BOD5:N:P=100:10:1 B. BOD5:N:P=100:5:1 C. BOD5:N:P=100:10:2 D. BOD5:N:P=100:5:2 選択:B
Reply #22016-12-20
B.BOD5:N=100:5:1
Reply #32016-12-20
B.BOD5:N=100:5:1
Reply #42016-12-20
B.BOD5:N:P=100:5:1
Reply #52016-12-20
B.BOD5:N:P=100:5:1

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