【Daily Question】Utilities - Water Supply and Drainage - 20200215

2020-02-15View Original

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As the flow rate continues to increase, the flow state in the riser goes through three main stages, in sequence as follows ( ). A. Coaxial spiral flow, water plug flow, water film flow B. Water film flow, water plug flow, coaxial spiral flow C. Coaxial spiral flow, water film flow, water plug flow D. Water plug flow, coaxial spiral flow, water film flow Answer: C

Reply #22020-02-15

C. Wall-attached spiral flow, water film flow, water plug flow

Reply #32020-02-15

C. Wall-attached spiral flow, water film flow, water plug flow?

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【Daily Question】Utilities - Water Supply and Drainage - 20200215

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