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清华大学《机械原理》全套课件分享,文末附184页PPT原档下载链接!

2026-04-13 18:36:07

清华大学《机械原理》全套课件分享,文末附184页PPT原档下载链接!

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机械工程文萃-1-2026年01月09日星期五

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CONNECT:[ UseTime:0.001075s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001625s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000685s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000689s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.001569s ]
SELECT * FROM `set` [ RunTime:0.000569s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.001428s ]
SELECT * FROM `article` WHERE `id` = 459731 LIMIT 1 [ RunTime:0.001176s ]
UPDATE `article` SET `lasttime` = 1777253391 WHERE `id` = 459731 [ RunTime:0.014865s ]
SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.031334s ]
SELECT * FROM `article` WHERE `id` < 459731 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.008321s ]
SELECT * FROM `article` WHERE `id` > 459731 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003156s ]
SELECT * FROM `article` WHERE `id` < 459731 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002787s ]
SELECT * FROM `article` WHERE `id` < 459731 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001912s ]
SELECT * FROM `article` WHERE `id` < 459731 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001032s ]

0.224659s

ShowPageTrace