【Daily Question No. 3】February 28, 2017

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This post was last edited by LQ198619 on 2017-2-28 09:15. The mass transfer process is the transfer of () between phases. Multiple-choice question: http://bbs.hcbbs.com/static/image/hrline/4.gif A. Traffic; B. Matter; C. Molecule; D. Atom; http://bbs.hcbbs.com/static/image/hrline/4.gif Correct answer: **B** http://bbs.hcbbs.com/static/image/hrline/4.gif Rules for the daily question reward: 5 wealth points as a participation prize ； 10 Wealth for correct answer ； Note: Questions from the same day will receive full feedback if answered on the same day; answering them the next day earns 5 wealth points. This post is valid for 48 hours. http://bbs.hcbbs.com/static/image/hrline/4.gif Petrochemical deep processing area – Daily question thread; updated daily by the moderator. http://bbs.hcbbs.com/thread-1496481-1-1.html Petrochemical area – “Creative Ideas for Energy Saving” campaign. http://bbs.hcbbs.com/thread-1666758-1-1.html Xiaomi phones available for grabs; thread for collecting chemical technology materials in the Petrochemical section. http://bbs.hcbbs.com/thread-1654603-1-1.html Many prizes waiting for you