机械与电气制图-畅读网

　　　　

机械与电气制图

作者：赵佳

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mobi/epub/pdf/awz3

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内容简介:

本书作为中等职业学校智能制造相关专业的教学用书,在编写中力求以行业企业调研、典型岗位工作任务与职业能力分析、课程体系、课程标准为依据。主要面向智能制造行业中从事制造、电气控制、产品制图等岗位。本书主要包括8个项目，分别为制图基本规定与国家标准、投影法与基本体投影图、绘制立体表面交线、图样的表达方式、零件图、装配图、电动机控制电气原理图及接线图、机床电气图及接线图。

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SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.001461s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 45 LIMIT 1 [ RunTime:0.003745s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.001186s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.001477s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1747396237 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:0.542745s ]

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