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暖通知识:中央空调系统原理图,下次做PPT也许用得上

  • 2026-05-28 12:57:23
暖通知识:中央空调系统原理图,下次做PPT也许用得上

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  1. CONNECT:[ UseTime:0.001246s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001690s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000788s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000644s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001333s ]
  6. SELECT * FROM `set` [ RunTime:0.000633s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001432s ]
  8. SELECT * FROM `article` WHERE `id` = 518603 LIMIT 1 [ RunTime:0.000987s ]
  9. UPDATE `article` SET `lasttime` = 1780580350 WHERE `id` = 518603 [ RunTime:0.001508s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000571s ]
  11. SELECT * FROM `article` WHERE `id` < 518603 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000968s ]
  12. SELECT * FROM `article` WHERE `id` > 518603 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000944s ]
  13. SELECT * FROM `article` WHERE `id` < 518603 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.005409s ]
  14. SELECT * FROM `article` WHERE `id` < 518603 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.027628s ]
  15. SELECT * FROM `article` WHERE `id` < 518603 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.017649s ]
0.231706s