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机械零件的公差与配合PPT讲解

  • 2026-05-09 15:14:49
机械零件的公差与配合PPT讲解
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师妹做的开题答辩PPT那么好~

劳动节 | 答案不在PPT里,在这里

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  1. 请求信息 : 2026-05-16 14:07:32 HTTP/2.0 GET : https://h.sjds.net/a/510781.html
  2. 运行时间 : 0.128969s [ 吞吐率：7.75req/s ] 内存消耗：4,573.49kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=23fbd647fc569d9323c127bcead7090a
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  1. CONNECT:[ UseTime:0.001218s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001703s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000740s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000684s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001720s ]
  6. SELECT * FROM `set` [ RunTime:0.000656s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001636s ]
  8. SELECT * FROM `article` WHERE `id` = 510781 LIMIT 1 [ RunTime:0.001118s ]
  9. UPDATE `article` SET `lasttime` = 1778911652 WHERE `id` = 510781 [ RunTime:0.012777s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000632s ]
  11. SELECT * FROM `article` WHERE `id` < 510781 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001072s ]
  12. SELECT * FROM `article` WHERE `id` > 510781 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001174s ]
  13. SELECT * FROM `article` WHERE `id` < 510781 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.005937s ]
  14. SELECT * FROM `article` WHERE `id` < 510781 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001966s ]
  15. SELECT * FROM `article` WHERE `id` < 510781 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.006596s ]
0.132851s