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教学课件

1.3 常用绘图工具及其使用
1.2 尺寸注法
1.1 机械制图国家标准的基本规定
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基本文件流程错误 SQL 调试

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[ SQL ] SHOW COLUMNS FROM `cmf_material` [ RunTime:0.011955s ]
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[ SQL ] SELECT `id`,`pid`,`zid`,`cid`,`title`,`type`,`template` FROM `cmf_material` WHERE `status` = 1 AND `zid` = 30 AND `cid` = 72 ORDER BY `id` DESC LIMIT 45,9 [ RunTime:0.012210s ]
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