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【Daily Question】Production, Storage, and Transportation – 12.13

2019-12-14View Original

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The AC version of Production, Storage and Transportation offers a question per day; answering it correctly earns 5 wealth points; Effective participation grants 2 units of wealth ; A special bonus will be given to the first person who provides a correct solution. Fill-in-the-blank question: In the copper-ammonium solution absorption method, the correct order of the three towers in the regeneration unit from top to bottom is: reflux tower, ( ), ( ). Answer: Regeneration tower, reducer

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