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【Daily Question】Utilities - Water Supply and Drainage - 20200415

2020-04-15View Original

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This post was last edited by hesonchang214 on 2020-4-15 09:32. When the heat medium is hot water in a heating network, the calculated temperature of the heat medium should be based on the lowest temperature of the water flowing in and out of the heating network. However, the temperature difference between the initial temperature of the heat medium and the final temperature of the material being heated must not be less than ( )°C. A.5B.10 C.15 D.20 Answer: B

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