【Daily Question】July 9: What are the classifications of tower packing?

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This post was last edited by j16119 on 2015-7-10 at 22:37. The Mechanical Section has introduced the \"Question of the Day\" feature, which not only helps to foster an active atmosphere for technical discussions and guide the direction of such exchanges but also provides users with financial rewards, enabling them to experience various cool features. Question content: Multiple-choice question. Which of the following belong to bulk packing? ( ), and which belong to structured packing? ( ). (A) Grid packing (B) Pall ring packing (C) Rectangular saddle packing (D) Wavy packing (E) Arc saddle packing (F) Step ring packing. The answers are (A) Grid packing and (D) Wavy packing, which belong to structured packing. (B) Pall ring packing, (C) Rectangular saddle packing, (E) Arc saddle packing, and (F) Step ring packing belong to random packing. Please note: We will close this thread after 24 hours, and at that time we will announce the best response (the most helpful one), along with the answers and explanations. Charisma Reward: If you post a topic in this section within two days to provide a detailed explanation of the knowledge points related to this question, please reply to this post to inform us, and we will have a moderator grant you +Charisma. 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 based on the content of the 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. Other contents: Recruitment for moderators, promotions for sections or regions (must be included), solicitation of topics, etc.