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【免费下载】建筑通风和排烟系统用防火阀门2026版

  • 2026-02-24 01:02:30
【免费下载】建筑通风和排烟系统用防火阀门2026版

标准号：GB 15930-2024

中文标准名称：建筑通风和排烟系统用防火阀门

英文标准名称：Fire dampers for building venting and smoke-venting system

实施日期： 2026年3月1日

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  1. CONNECT:[ UseTime:0.000541s ] mysql:host=127.0.0.1;port=3306;dbname=no_yeyulingfeng;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001059s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000332s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000304s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000633s ]
  6. SELECT * FROM `set` [ RunTime:0.000237s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000813s ]
  8. SELECT * FROM `article` WHERE `id` = 469783 LIMIT 1 [ RunTime:0.000596s ]
  9. UPDATE `article` SET `lasttime` = 1771913905 WHERE `id` = 469783 [ RunTime:0.010598s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000271s ]
  11. SELECT * FROM `article` WHERE `id` < 469783 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000521s ]
  12. SELECT * FROM `article` WHERE `id` > 469783 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001907s ]
  13. SELECT * FROM `article` WHERE `id` < 469783 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000777s ]
  14. SELECT * FROM `article` WHERE `id` < 469783 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000766s ]
  15. SELECT * FROM `article` WHERE `id` < 469783 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003443s ]
0.108646s