On October 31, 2025, the four-day ComVac ASIA 2025

2025-10-31

On October 31, 2025, the four-day ComVac ASIA 2025

— successfully concluded at the Shanghai New International Expo Center.

Throughout the exhibition (October 28–31), the Deman booth remained a major attraction. The company showcased multiple innovative products, including the TMC four-stage magnetic levitation centrifugal compressor, GVe integrated mobile air compressor, PGVe PM VSD screw vacuum pump, OWV oil-free water-injected screw compressor, ORV oil-free screw blower, FA 1.5 Era refrigerated air dryer, DDVe 2.0 series, and the latest 3.0 Era 5DV PM VSD refrigerated air dryer. Deman also engaged in in-depth discussions with global compressor experts, buyers, and industry peers — exploring cutting-edge technologies and envisioning the future of the air compression industry.

Since 1998, our mission is to create infinite value for clients through efficient use of compressed air.

Website

Home Products

Services Case

News About Deman

Ningbo Address: No. 188 Yueci Road, Cixi, Zhejiang, China

Hangzhou Address: No. 1407, 14th Floor, UDC Starlight Times, Wentao Road,
Binjiang District, Hangzhou, Zhejiang, China

Shenzhen 367-6 Guangshen Road, Xiner Community, Xinqiao Street,
Baoan District, Shenzhen, China

基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.000514s ] mysql:host=127.0.0.1;port=3306;dbname=deman;charset=utf8mb4
[ SQL ] SHOW COLUMNS FROM `en_portal_category` [ RunTime:0.000680s ]
[ SQL ] SELECT * FROM `en_portal_category` WHERE `status` = 1 AND `parent_id` = 0 ORDER BY `list_order` ASC [ RunTime:0.000434s ]
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[ SQL ] SELECT * FROM `en_portal_category` WHERE `parent_id` = 1 AND `status` = 1 ORDER BY `list_order` ASC [ RunTime:0.000359s ]
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[ SQL ] SELECT * FROM `en_portal_category` WHERE `parent_id` = 2 AND `status` = 1 ORDER BY `list_order` ASC [ RunTime:0.000336s ]
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[ SQL ] SELECT * FROM `en_portal_category` WHERE `parent_id` = 3 AND `status` = 1 ORDER BY `list_order` ASC [ RunTime:0.000294s ]
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[ SQL ] SELECT * FROM `en_portal_category` WHERE `parent_id` = 4 AND `status` = 1 ORDER BY `list_order` ASC [ RunTime:0.000379s ]
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[ SQL ] SELECT * FROM `en_portal_category` WHERE `parent_id` = 43 AND `status` = 1 ORDER BY `list_order` ASC [ RunTime:0.000337s ]
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[ SQL ] SELECT * FROM `en_portal_category` WHERE `parent_id` = 85 AND `status` = 1 ORDER BY `list_order` ASC [ RunTime:0.000352s ]
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[ SQL ] SHOW COLUMNS FROM `en_portal_post` [ RunTime:0.000716s ]
[ SQL ] SELECT `post`.* FROM `en_portal_post` `post` WHERE `post`.`post_type` = 1 AND `post`.`post_status` = 1 AND `post`.`delete_time` = 0 AND `post`.`id` = '794' AND ( `post`.`published_time` < '1765158785' and `post`.`published_time` > '0' ) LIMIT 1 [ RunTime:0.000627s ]
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[ SQL ] SELECT * FROM `en_portal_category` WHERE `id` = 0 AND `status` = 1 LIMIT 1 [ RunTime:0.000334s ]
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[ SQL ] SELECT * FROM `en_portal_category` WHERE `id` = 0 LIMIT 1 [ RunTime:0.000215s ]
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[ SQL ] SELECT `post`.* FROM `en_portal_post` `post` WHERE `post`.`post_type` = 1 AND `post`.`post_status` = 1 AND `post`.`delete_time` = 0 AND `post`.`id` < '794' AND ( `post`.`published_time` < '1765158785' and `post`.`published_time` > '0' ) ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000512s ]
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[ SQL ] SELECT `post`.* FROM `en_portal_post` `post` WHERE `post`.`post_type` = 1 AND `post`.`post_status` = 1 AND `post`.`delete_time` = 0 AND `post`.`id` > '794' AND ( `post`.`published_time` < '1765158785' and `post`.`published_time` > '0' ) ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000494s ]
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[ SQL ] SHOW COLUMNS FROM `en_portal_category_post` [ RunTime:0.000569s ]
[ SQL ] SELECT `en_portal_category`.*,pivot.id AS pivot__id,pivot.post_id AS pivot__post_id,pivot.category_id AS pivot__category_id,pivot.list_order AS pivot__list_order,pivot.status AS pivot__status FROM `en_portal_category` INNER JOIN `en_portal_category_post` `pivot` ON `pivot`.`category_id`=`en_portal_category`.`id` WHERE `pivot`.`post_id` = 794 [ RunTime:0.000598s ]
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[ SQL ] UPDATE `en_portal_post` SET `post_hits`=`post_hits`+1 WHERE `id` = 794 [ RunTime:0.001206s ]
[ SQL ] SHOW COLUMNS FROM `en_theme_file` [ RunTime:0.000814s ]
[ SQL ] SELECT * FROM `en_theme_file` WHERE `theme` = 'simpleboot3' AND `file` = 'portal/aaa' LIMIT 1 [ RunTime:0.000509s ]
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[ SQL ] UPDATE `en_theme_file` SET `theme`='simpleboot3',`action`='portal/List/index',`file`='portal/aaa',`name`='默认列表模板',`more`='[]',`config_more`='[]',`description`='aaa',`is_public`=0,`list_order`=10 WHERE `theme` = 'simpleboot3' AND `file` = 'portal/aaa' [ RunTime:0.001188s ]
[ SQL ] SELECT * FROM `en_theme_file` WHERE `theme` = 'simpleboot3' AND `file` = 'portal/aaa_detail' LIMIT 1 [ RunTime:0.000386s ]
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[ SQL ] UPDATE `en_theme_file` SET `theme`='simpleboot3',`action`='portal/Article/index',`file`='portal/aaa_detail',`name`='默认详情模板',`more`='[]',`config_more`='[]',`description`='aaa_detail',`is_public`=0,`list_order`=10 WHERE `theme` = 'simpleboot3' AND `file` = 'portal/aaa_detail' [ RunTime:0.001275s ]
[ SQL ] SELECT * FROM `en_theme_file` WHERE `theme` = 'simpleboot3' [ RunTime:0.000270s ]
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[ SQL ] SHOW COLUMNS FROM `en_theme` [ RunTime:0.000643s ]
[ SQL ] UPDATE `en_theme` SET `name`='simpleboot3',`version`='1.0.2',`demo_url`='http://demo.thinkcmf.com',`author`='ThinkCMF',`lang`='zh-cn',`author_url`='http://www.thinkcmf.com',`keywords`='ThinkCMF模板',`description`='ThinkCMF默认模板' WHERE `theme` = 'simpleboot3' [ RunTime:0.001245s ]
[ SQL ] SELECT `more` FROM `en_theme_file` WHERE `theme` = 'simpleboot3' AND ( `is_public` = 1 OR `file` = 'portal/news/detail' ) [ RunTime:0.000285s ]
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[ SQL ] SHOW COLUMNS FROM `en_option` [ RunTime:0.000668s ]
[ SQL ] SELECT `option_value` FROM `en_option` WHERE `option_name` = 'storage' LIMIT 1 [ RunTime:0.000251s ]
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