【Q&A】Catalytic Coking Reformate Blending Version 20171108

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This post was last edited by Green Lotus on 11/7/2017 at 10:14. Participants: Rewards of 3~5 Wealth； Correct answer: Reward of 10 wealth points ； Note: This post is valid for 48 hours. Question: In which directions does the contraction of welds and the metal surrounding them mainly occur? The answer is reflected mainly in contraction in both vertical and horizontal directions. Use your fingers to get involved – our ultimate goal is for everyone to acquire knowledge. https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif The answers will be released automatically after two days. 【Daily Question】Summary post for 2017 on the catalytic coking and reforming oil blending version: https://bbs.hcbbs.com/thread-1811219-1-1.html 【Q&A】Summary post for 2017 on the catalytic coking and reforming oil blending version: https://bbs.hcbbs.com/thread-1826018-1-1.html