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Español Translations » 历史存档[信息] » Pregunta diaria sobre tratamiento de agua (20.12)

Pregunta diaria sobre tratamiento de agua (20.12)

2016-12-20View Original

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La última edición de este mensaje fue realizada por 68589544 el 20-12-2016 a las 13:41. Pregunta de opción múltiple: Según los requisitos del proceso, la dosificación de nutrientes debe hacerse generalmente según la conversión de _____. 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
Respuesta correcta: 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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Translated at 2026-07-23 04:23:15

Original: https://bbs.hcbbs.com/thread-1653960-1-1.html

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