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Petrochemical Deep Processing Version 2019.01.19

2019-01-19View Original

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Participation: 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 【Daily Question】True or False: If the inlet and outlet valves of a pump are not opened or are opened too slightly, it can result in the pump not being able to deliver sufficient flow. ( ) 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 released automatically after two days. ““My Device, My Home” – Large-scale Original Photo Sharing Event (Part 2): https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1868167&extra=page%3D1 Petrochemical Deep Processing Section [Daily Question] Summary Post: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1496481

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