【Daily Question】7.14 Coating Materials Reply +2； To +3 ； Perfect +5

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This post was last edited by ren6602121 on 2015-7-16 08:24. In order to increase the popularity of the container section, an \"One Question per Day\" activity was initiated under the guidance of the leaders, aiming to foster active technical exchanges while also providing financial rewards to users. Among the following coating materials, the one recommended at PH>6.5 and a chloride ion concentration of 1000 ppm is (D). a 304. b 304L. c 316. d 316L. All of the above: Reply with the answer you think is correct in the comments to participate in the quiz; you will receive +1 wealth point (points are added automatically according to the rules). If your answer is incorrect, no additional points or feedback will be given. If you answer all questions correctly, you’ll get an extra +3 wealth points. Additional rewards will also be given if you provide a detailed explanation or analysis of the questions and answers. If your answer is correct and your explanation is accurate, it will be marked as the best reply (the best assistance). Feel free to answer; please do not reply repeatedly ； If a, b, c, and d are all correct, select e; answering a, b, c, d, e will result in no points. Note: We will close this post after 24 hours to reveal the answers and explanations, as well as the best response (the best help). Attraction Reward: If you post a topic in this section within two days to provide a detailed explanation of the knowledge points covered in this question, please reply to this post to inform us, and we will ask a moderator to grant +Attraction. 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 and opinions.