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Catalytic Coking Reformate Blending Version 20190723

2019-07-23View Original

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Participation: Prize 1 Wealth; Correct answer: 3 wealth rewards. https://bbs.hcbbs.com/static/image/hrline/2.gif https://bbs.hcbbs.com/static/image/hrline/3.gif Multiple-choice question: When the system is shut down and water is supplied to the top of the backflow system, what is generally used as the medium? ( ) A. Circulating water B. Fresh water C. Deoxygenated water D. Pure water Answer: B https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif Note: The answer will be announced automatically after two days.

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