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个人学习GB/T51474-2025课件分享(图片为193张之前100张)

  • 2026-05-11 08:45:07
个人学习GB/T51474-2025课件分享(图片为193张之前100张)
本公众号的付费微信群自2026.4.28算一年周期正式开启（点击了解加入微信群），因为时间的关系，一直没有给新的群友分享年度资料，还是只提供了一些去年整理的1000多个标准电子版试读分享（现行燃气行业及涉及配套专业法规和标准体系文件列表（截至2025.3.21日））以及其公众号文章中提及的最新标准分享。
正好五一假期，有点时间，把去年在某地与一群同行共同学习GB/T51474-2025的课件分享一下，提醒一下，今天分享的课件中提及的标准和文件为截止2025年9月的有效文件，其中部分标准（个别强制标准已经更新有所变化），课件的总页数为193页(随着不断学习更新，截止今天本课件已经是280页），本文件截图只发布前100张。
获得全部193页课件的方式：
1、看看你的朋友有没有在公众号2026年度微信群内，求助获得，或自己付费加入微信群获取（点击了解加入微信群）；
2、点击关注本公众号，点赞、转发朋友圈后对公众号发送关键字：“学习课件”获得本课件193页PDF格式文件（会有滞后，须确认完成点赞、转发朋友圈后才会收到文件下载地址，且仅限前100名朋友。）。
一半课件（100张，主要是贴图太麻烦，不是不愿全部截图出来）的截图如下，先了解一下，再确定是否需要获取。
如果贴图排序有误，还请原谅，不想浪费时间确认啦。
想免费获取完整193页课件PDF文件的朋友，请完成：1、点赞；2、转发朋友圈；3、对公众号发送关键字：“学习课件”获得下载地址。
注：会有滞后，须确认完成点赞、转发朋友圈后才会收到文件下载地址，且仅限前100名朋友。当然，我相信不用100个大家都可以相互交流获得啦）。
本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

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  1. CONNECT:[ UseTime:0.000591s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000873s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000319s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000277s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000600s ]
  6. SELECT * FROM `set` [ RunTime:0.000240s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000691s ]
  8. SELECT * FROM `article` WHERE `id` = 499978 LIMIT 1 [ RunTime:0.000511s ]
  9. UPDATE `article` SET `lasttime` = 1778512818 WHERE `id` = 499978 [ RunTime:0.007284s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000290s ]
  11. SELECT * FROM `article` WHERE `id` < 499978 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000578s ]
  12. SELECT * FROM `article` WHERE `id` > 499978 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000481s ]
  13. SELECT * FROM `article` WHERE `id` < 499978 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002752s ]
  14. SELECT * FROM `article` WHERE `id` < 499978 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002028s ]
  15. SELECT * FROM `article` WHERE `id` < 499978 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002923s ]
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