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【机械设计】几种常用机械结构,整理个PPT专门讲一下!

  • 2026-10-29 07:41:01
【机械设计】几种常用机械结构,整理个PPT专门讲一下!

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  1. CONNECT:[ UseTime:0.000471s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000605s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000314s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000311s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000513s ]
  6. SELECT * FROM `set` [ RunTime:0.000270s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000619s ]
  8. SELECT * FROM `article` WHERE `id` = 510778 LIMIT 1 [ RunTime:0.000389s ]
  9. UPDATE `article` SET `lasttime` = 1793892774 WHERE `id` = 510778 [ RunTime:0.003872s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000328s ]
  11. SELECT * FROM `article` WHERE `id` < 510778 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000411s ]
  12. SELECT * FROM `article` WHERE `id` > 510778 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000339s ]
  13. SELECT * FROM `article` WHERE `id` < 510778 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000638s ]
  14. SELECT * FROM `article` WHERE `id` < 510778 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000725s ]
  15. SELECT * FROM `article` WHERE `id` < 510778 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000687s ]
0.097871s