【Daily Question】Hydrogen production and hydrogenation technology version 20191021

2019-10-21View Original

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This post was last edited by Catalyzing a Grain on 2019-10-23 21:10. Participants: Prize of 1 Wealth； Correct answer: Reward of 3 wealth points ； Note: This post is valid for 48 hours. https://bbs.hcbbs.com/static/image/hrline/2.gif True or False: During the speed-up process of the cyclic hydrogen compressor, it is necessary to pass through the critical speed range quickly. （　　） Answer: Correct. Your participation is the greatest support for our work. Giving roses to others leaves a pleasant fragrance in one’s own hands. https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif Note: The answers will be published automatically after two days.

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【Daily Question】Hydrogen production and hydrogenation technology version 20191021

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