【Daily Question Question 234】2017.08.22

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【Daily Question No. 234】2017.08.22 Packing seals have a short service life and are suitable for sealing applications in low-temperature, low-pressure environments with corrosive media. () Reply* to see the reference answers; scoring is awarded by identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) Incorrect scoring criteria: 2 wealth points for incorrect attempts; *incomplete* answers result in 3–8 points. Correct answers with detailed explanations earn 10 wealth points, while correct answers with insufficient supplementary *answers* grant 15–20 wealth points. Please use these criteria for scoring. Note: If there are editing records after answering, only points will be awarded to those who participated. For continuous malicious spamming, 2 points will be deducted each time, with no upper limit. Pure numbers, pure emojis, or random letters that have nothing to do with the answer are all considered malicious spamming; points will start to be deducted after three warnings. 2017 Q&A Summary Thread (updates have begun) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates have begun) http://bbs.hcbbs.com/thread-1657794-1-1.html 2016 Q&A Summary Thread (updates completed) http://bbs.hcbbs.com/thread-1597792-1-1.html Petrochemical Sector – “Creative Ideas for Energy Savings” Campaign (Phase 2 is in full swing) http://bbs.hcbbs.com/thread-1666758-1-1.html 2017 Coal Chemicals – “My Technical Upgrades” http://bbs.hcbbs.com/thread-1786290-1-1.html