Piping and Valves Knowledge: [Daily Question] 1/7/2011
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This post was last edited by security on 2011-1-8 08:18. The following are among the design considerations for buried pipelines (multiple-choice question): A. Route, laying method, and mutual influence with connection systems； B. Materials, construction specifications, and quality control C. Operating procedures and controls D. Corrosion prevention E. Mitigation of external influences and protection of pipelines Note 1) There will be a reward for participants ； $2) Please hide your replies; the method for doing this is: http://bbs.hcbbs.com/thread-492556-1-1.html. Do not edit the replies after posting them. {+ F 3) Answer: ABCDE, see GB-T 20801-2006}
This post was last edited by 000123a on 2011-1-7 16:43: A,C,D,E
This post was last edited by 000123a on 2011-1-7 16:45: A B D E