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210页,八大机械传动知识培训PPT,绝对干货(转载)

  • 2026-09-20 22:44:17
210页,八大机械传动知识培训PPT,绝对干货(转载)


齿轮传动、蜗杆传动、链传动、带传动、连杆机构及其传动、凸轮机构、螺旋机构和液压传动八大机械传动知识培训PPT，绝对干货。

☞作者：李志明

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【ppt】全员安全生产责任制专题培训(53页)

基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-09-22 08:24:56 HTTP/1.1 GET : http://h.sjds.net/a/469299.html
  2. 运行时间 : 0.080652s [ 吞吐率：12.40req/s ] 内存消耗：4,504.95kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=aff018ede05d672280981c4fd5a9fa48
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  1. CONNECT:[ UseTime:0.000492s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000955s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000412s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000375s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000629s ]
  6. SELECT * FROM `set` [ RunTime:0.000357s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000740s ]
  8. SELECT * FROM `article` WHERE `id` = 469299 LIMIT 1 [ RunTime:0.000486s ]
  9. UPDATE `article` SET `lasttime` = 1790036696 WHERE `id` = 469299 [ RunTime:0.001405s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000307s ]
  11. SELECT * FROM `article` WHERE `id` < 469299 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000415s ]
  12. SELECT * FROM `article` WHERE `id` > 469299 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000410s ]
  13. SELECT * FROM `article` WHERE `id` < 469299 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000561s ]
  14. SELECT * FROM `article` WHERE `id` < 469299 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000626s ]
  15. SELECT * FROM `article` WHERE `id` < 469299 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000619s ]
0.097330s