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【Daily Question】Hydrogen production and hydrogenation technology version 20190617

2019-06-17View Original

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This post was last edited by Green Lotus on 2019-6-17 at 22:52. Participants: Prize 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 Multiple-choice question: When selecting the range of a pressure gauge, it should be noted that when the pressure being measured is relatively stable, the maximum operating pressure should not exceed ( ) of the gauge’s range. A、1/3 B、1/2 C、2/3 D、3/4 Answer: C 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 released automatically after two days.

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