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109页专业PPT,超详细机械加工精度及其控制内容!

2026-04-05 10:00:17

109页专业PPT,超详细机械加工精度及其控制内容!

金妹子今天给大家分享一份PPT，讲透机械加工过程中的“精度”及其控制内容。

来源：机械设计制造及其自动化

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基本文件流程错误 SQL 调试

请求信息 : 2026-04-07 16:46:44 HTTP/2.0 GET : https://h.sjds.net/a/466396.html
运行时间 : 0.096148s [ 吞吐率：10.40req/s ] 内存消耗：4,331.20kb 文件加载：140
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=d21770d3e3438e93ecaaa6dc10f283be

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CONNECT:[ UseTime:0.000528s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000668s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000821s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000390s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.000517s ]
SELECT * FROM `set` [ RunTime:0.000221s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000700s ]
SELECT * FROM `article` WHERE `id` = 466396 LIMIT 1 [ RunTime:0.005238s ]
UPDATE `article` SET `lasttime` = 1775551604 WHERE `id` = 466396 [ RunTime:0.004065s ]
SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000252s ]
SELECT * FROM `article` WHERE `id` < 466396 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000456s ]
SELECT * FROM `article` WHERE `id` > 466396 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000505s ]
SELECT * FROM `article` WHERE `id` < 466396 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000791s ]
SELECT * FROM `article` WHERE `id` < 466396 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000707s ]
SELECT * FROM `article` WHERE `id` < 466396 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.010069s ]

0.097955s

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