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55页ppt讲解:轴承材料及热处理,可参考

  • 2026-04-01 19:21:46
55页ppt讲解:轴承材料及热处理,可参考

55页ppt讲解：轴承材料及热处理，可参考

作者：张志宏

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  1. CONNECT:[ UseTime:0.000677s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000803s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000324s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000333s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000484s ]
  6. SELECT * FROM `set` [ RunTime:0.000216s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000527s ]
  8. SELECT * FROM `article` WHERE `id` = 478191 LIMIT 1 [ RunTime:0.000472s ]
  9. UPDATE `article` SET `lasttime` = 1775331023 WHERE `id` = 478191 [ RunTime:0.001114s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000256s ]
  11. SELECT * FROM `article` WHERE `id` < 478191 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000388s ]
  12. SELECT * FROM `article` WHERE `id` > 478191 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000380s ]
  13. SELECT * FROM `article` WHERE `id` < 478191 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001461s ]
  14. SELECT * FROM `article` WHERE `id` < 478191 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000750s ]
  15. SELECT * FROM `article` WHERE `id` < 478191 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000661s ]
0.077659s