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学会读烟识火,提升避险能力PPT

  • 2026-03-26 15:45:45
学会读烟识火,提升避险能力PPT

       文件名称：学会读烟识火，提升避险能力PPT

      主旨内容：该课件讲解火灾避险技巧，通过烟气“5特征”、火焰“4要点”判读火情，介绍内攻灭火“3重点”（门控、环境改善、通风排烟），强调“控烟优先”理念，提升火场避险能力。

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  1. CONNECT:[ UseTime:0.001173s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001694s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000947s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000902s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001550s ]
  6. SELECT * FROM `set` [ RunTime:0.000749s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001554s ]
  8. SELECT * FROM `article` WHERE `id` = 468209 LIMIT 1 [ RunTime:0.001080s ]
  9. UPDATE `article` SET `lasttime` = 1775417388 WHERE `id` = 468209 [ RunTime:0.011208s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.002608s ]
  11. SELECT * FROM `article` WHERE `id` < 468209 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001540s ]
  12. SELECT * FROM `article` WHERE `id` > 468209 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001119s ]
  13. SELECT * FROM `article` WHERE `id` < 468209 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001968s ]
  14. SELECT * FROM `article` WHERE `id` < 468209 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.007170s ]
  15. SELECT * FROM `article` WHERE `id` < 468209 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002049s ]
0.216946s