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离心泵结构原理及常见故障原因分析(PPT可下载)

  • 2026-10-25 16:10:56
离心泵结构原理及常见故障原因分析(PPT可下载)
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基本 文件 流程 错误 SQL 调试
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  2. 运行时间 : 0.072031s [ 吞吐率：13.88req/s ] 内存消耗：4,372.80kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=6500ae79058fc62149817d8e0f1060b4
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  1. CONNECT:[ UseTime:0.000532s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000743s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000356s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000345s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000545s ]
  6. SELECT * FROM `set` [ RunTime:0.000270s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000521s ]
  8. SELECT * FROM `article` WHERE `id` = 525662 LIMIT 1 [ RunTime:0.000362s ]
  9. UPDATE `article` SET `lasttime` = 1793331240 WHERE `id` = 525662 [ RunTime:0.001134s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000292s ]
  11. SELECT * FROM `article` WHERE `id` < 525662 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000392s ]
  12. SELECT * FROM `article` WHERE `id` > 525662 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000382s ]
  13. SELECT * FROM `article` WHERE `id` < 525662 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000559s ]
  14. SELECT * FROM `article` WHERE `id` < 525662 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000526s ]
  15. SELECT * FROM `article` WHERE `id` < 525662 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000613s ]
0.082309s