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《机械过滤器的计算与选用》课件!

  • 2026-07-26 11:25:54
《机械过滤器的计算与选用》课件!

《机械过滤器的计算与选用》课件！

课件介绍了机械过滤器的结构，设计计算以及不同过滤器（石英石活性炭除铁锰等）的参数选型取值等等，最后附一张快速选型表助力快速选型！
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      1. CONNECT:[ UseTime:0.000510s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
      2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000536s ]
      3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000243s ]
      4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000276s ]
      5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000641s ]
      6. SELECT * FROM `set` [ RunTime:0.000247s ]
      7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000599s ]
      8. SELECT * FROM `article` WHERE `id` = 520503 LIMIT 1 [ RunTime:0.001165s ]
      9. UPDATE `article` SET `lasttime` = 1785086413 WHERE `id` = 520503 [ RunTime:0.000551s ]
      10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000216s ]
      11. SELECT * FROM `article` WHERE `id` < 520503 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000612s ]
      12. SELECT * FROM `article` WHERE `id` > 520503 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001029s ]
      13. SELECT * FROM `article` WHERE `id` < 520503 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000756s ]
      14. SELECT * FROM `article` WHERE `id` < 520503 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001381s ]
      15. SELECT * FROM `article` WHERE `id` < 520503 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000794s ]
      0.076444s