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420页PPT讲解公差配合与技术测量,建议收藏

  • 2026-10-23 17:13:20
420页PPT讲解公差配合与技术测量,建议收藏

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“公差配合与测量技术”是机械类专业的一门专业技术基础课，是学习机械制造、机械设计的必修课。今天小编给大家分享一组有关公差配合与技术测量的PPT。

以下学习资料源于机工教育

来源：机工教育、机工微学堂
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PPT:常见呼吸系统疾病护理

基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-10-25 09:30:30 HTTP/1.1 GET : http://h.sjds.net/a/529902.html
  2. 运行时间 : 0.080640s [ 吞吐率：12.40req/s ] 内存消耗：4,440.81kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=927ebc931f478023f37711e9a3283383
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  1. CONNECT:[ UseTime:0.000650s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000832s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000410s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000363s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000521s ]
  6. SELECT * FROM `set` [ RunTime:0.000298s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000618s ]
  8. SELECT * FROM `article` WHERE `id` = 529902 LIMIT 1 [ RunTime:0.000569s ]
  9. UPDATE `article` SET `lasttime` = 1792891830 WHERE `id` = 529902 [ RunTime:0.002033s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000298s ]
  11. SELECT * FROM `article` WHERE `id` < 529902 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000411s ]
  12. SELECT * FROM `article` WHERE `id` > 529902 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000353s ]
  13. SELECT * FROM `article` WHERE `id` < 529902 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000517s ]
  14. SELECT * FROM `article` WHERE `id` < 529902 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000632s ]
  15. SELECT * FROM `article` WHERE `id` < 529902 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000713s ]
0.090833s