塑料注射成型技术（高级工）（第2版）-畅读网

　　　　

塑料注射成型技术（高级工）（第2版）

作者：张玉龙

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mobi/epub/pdf/awz3

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科学技术 >> 工业技术

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内容简介:

本书较为详细地介绍了塑料基础知识，塑料注射成型设备、模具、生产工艺；介绍了通用塑料、通用工程塑料、特种工程塑料、热固性塑料的注射成型与制备实例；还介绍了金属粉末注射成型、反应注射成型、精密注射成型、树脂传递精塑和气体辅助注射成型等新型注射成型工艺与制备实例；对常见注射制品缺陷进行了技术分析，对注射制品检测也进行了扼要介绍。

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SHOW FULL COLUMNS FROM `ls_goods_category` [ RunTime:0.001807s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.000970s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.001280s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.001195s ]
SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.002072s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.003711s ]
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SHOW FULL COLUMNS FROM `ls_friendly_link` [ RunTime:0.001714s ]
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SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.002381s ]
SELECT * FROM `ls_goods` WHERE `id` = 84599 AND `status` = 1 LIMIT 1 [ RunTime:0.001225s ]
UPDATE `ls_goods` SET `click_count` = 70 , `update_time` = 1758727164 WHERE `id` = 84599 [ RunTime:0.001506s ]
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SHOW FULL COLUMNS FROM `ls_ad` [ RunTime:0.006461s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 5 LIMIT 1 [ RunTime:0.004124s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 45 LIMIT 1 [ RunTime:0.001877s ]
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:0.002840s ]
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:0.003795s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1758727104 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:1.328309s ]

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