【Daily Question】2015.07.11 Main stressed components (top 100 replies + 2 wealth points; additional 3–8 wealth points for correct answers)

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This post was last edited by zzhaichuan on 2015-7-12 at 10:39. The Machinery Section has introduced the \"One Question per Day\" feature, which not only helps to foster an active atmosphere for technical exchanges and guide the direction of such discussions but also provides users with financial rewards, enabling them to experience various cool features. In accordance with the requirements of TSG R0004-2009, the following container components are designated as primary pressure-bearing elements: ( ). a. Opening reinforcement ring ； b、Fitting with a nominal diameter of 200 ； c、Main device bolt of M42 ； d. Heat exchange tube ； Answer: cd, Fixed Capacity Regulation 1.6.1. Note: We will close this thread after 24 hours, and at that time we will announce the best response (the best help), as well as the answer and explanation. Charisma Reward: If you post a topic in this section within two days to provide a detailed explanation or discussion of the knowledge points related to this question, please reply or leave a comment in this post to let us know, and we will have a moderator award you charisma points. It is not allowed to simply copy and paste; original content is preferred, with at least some organization by the user along with personal insights. After registration, we will rank participants based on the content of their posts: the last-place contestant will receive +1 charm, the second-to-last +2 charm, and so on, with the highest score earning +5 charm. http://bbs.hcbbs.com/thread-1381938-1-1.html Earning wealth by inviting friends http://bbs.hcbbs.com/thread-1389240-1-1.html [Mechanical Section] Collection of essential knowledge 【Seeking manufacturer sponsorship】 (long-term campaign)