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经典焊接知识培训PPT,共56页

  • 2026-11-09 09:57:42
经典焊接知识培训PPT,共56页
焊接知识培训

  • 焊接基础知识及常见缺陷

  • 焊接符号及标注

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  • 焊接工艺

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  1. CONNECT:[ UseTime:0.000772s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000971s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000449s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000378s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000492s ]
  6. SELECT * FROM `set` [ RunTime:0.000284s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000654s ]
  8. SELECT * FROM `article` WHERE `id` = 565423 LIMIT 1 [ RunTime:0.000367s ]
  9. UPDATE `article` SET `lasttime` = 1794221667 WHERE `id` = 565423 [ RunTime:0.001611s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000317s ]
  11. SELECT * FROM `article` WHERE `id` < 565423 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000424s ]
  12. SELECT * FROM `article` WHERE `id` > 565423 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000366s ]
  13. SELECT * FROM `article` WHERE `id` < 565423 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000553s ]
  14. SELECT * FROM `article` WHERE `id` < 565423 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000555s ]
  15. SELECT * FROM `article` WHERE `id` < 565423 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000712s ]
0.089883s