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机械制图知识大全,都在这320页PPT里了

  • 2026-11-05 18:33:55
机械制图知识大全,都在这320页PPT里了
小编今天给大家分享一组机械制图的PPT，实属干货，值得收藏！

以下资料源自机工教育

声明：本文所用视频、图片、文字如涉及作品版权问题，请第一时间告知，我们将根据您提供的证明材料确认版权并按国家标准支付稿酬或立即删除内容！

往期精彩推荐：

设备开发设计禁忌

机械设计主要考虑的问题

好书分享-机械设计实践（可下载）

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气动系统设计选型

非标机械产品设计流程分析经验总结

精品PPT——常用零件表面处理工艺

机械装配技术

谈一谈气缸选型

工程力学24.3.11之

机械结构设计降本思路

标准件和常用件知识总结

气动技术（十三）之气缸的选择

机械设计常用资料（十三）之形位公差选择原则

机械结构评审会议如何提问题（自查）

机械零件的一般设计过程

机械结构优化思路

机械设计经验

本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

消防安全培训及应急演练培训PPT

基本 文件 流程 错误 SQL 调试
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  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=1f2aee75e938f1c63733c6b07aec9a07
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  1. CONNECT:[ UseTime:0.000700s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000866s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000424s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000382s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000526s ]
  6. SELECT * FROM `set` [ RunTime:0.000272s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000580s ]
  8. SELECT * FROM `article` WHERE `id` = 504953 LIMIT 1 [ RunTime:0.000475s ]
  9. UPDATE `article` SET `lasttime` = 1794076282 WHERE `id` = 504953 [ RunTime:0.001981s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000312s ]
  11. SELECT * FROM `article` WHERE `id` < 504953 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000437s ]
  12. SELECT * FROM `article` WHERE `id` > 504953 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000380s ]
  13. SELECT * FROM `article` WHERE `id` < 504953 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000774s ]
  14. SELECT * FROM `article` WHERE `id` < 504953 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000677s ]
  15. SELECT * FROM `article` WHERE `id` < 504953 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000720s ]
0.088450s