Environmental Protection Daily Question (12.25)

2016-12-25View Original

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Merry Christmas! Exchange flowers with each other; don’t forget to give me flowers when answering questions – I’ll return one in return! Single-choice question: The online analysis items for the secondary sedimentation tank in the wastewater treatment plant include ___________. A. Sludge concentration B. Sludge level C. Dissolved oxygen D. Sludge index Answer: B

Reply #22016-12-25

The online analysis projects for the secondary sedimentation tank in the wastewater treatment plant include ___A_______. A. Sludge concentration B. Sludge level C. Dissolved oxygen D. Sludge index

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Environmental Protection Daily Question (12.25)

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