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MySQL Error: 1146 (Table 'nbyuanbo.pwn_News_con' doesn't exist)
#0 dbbase_sql->halt(Invalid SQL: select id,title from pwn_News_con where catid=(select catid from pwn_News_con where id=420) and uptime>(select uptime from pwn_News_con where id=420) order by uptime asc limit 1) called at [/www/users/US304602/WEB/includes/db.inc.php:65] #1 dbbase_sql->query(select id,title from {P}_News_con where catid=(select catid from {P}_News_con where id=420) and uptime>(select uptime from {P}_News_con where id=420) order by uptime asc limit 1) called at [/www/users/US304602/WEB/news/module/NewsPage.php:33] #2 NewsPage() called at [/www/users/US304602/WEB/includes/common.inc.php:524] #3 PrintPage() called at [/www/users/US304602/WEB/news/html/index.php:15]
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Database error: Invalid SQL: select id,title from pwn_News_con where catid=(select catid from pwn_News_con where id=420) and uptime<(select uptime from pwn_News_con where id=420) order by uptime desc limit 1
MySQL Error: 1146 (Table 'nbyuanbo.pwn_News_con' doesn't exist)
#0 dbbase_sql->halt(Invalid SQL: select id,title from pwn_News_con where catid=(select catid from pwn_News_con where id=420) and uptime<(select uptime from pwn_News_con where id=420) order by uptime desc limit 1) called at [/www/users/US304602/WEB/includes/db.inc.php:65] #1 dbbase_sql->query(select id,title from {P}_News_con where catid=(select catid from {P}_News_con where id=420) and uptime<(select uptime from {P}_News_con where id=420) order by uptime desc limit 1) called at [/www/users/US304602/WEB/news/module/NewsPage.php:46] #2 NewsPage() called at [/www/users/US304602/WEB/includes/common.inc.php:524] #3 PrintPage() called at [/www/users/US304602/WEB/news/html/index.php:15]
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浙江喷涂设备静电粉末喷涂设备的组成-宁波北仑云博机械设备有限公司 幸运赛车扣琴加190380
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浙江喷涂设备静电粉末喷涂设备的组成
作者:管理员    发?#21152;冢?016-02-16 15:07:50    文字:【】【】【
浙江喷涂设备静电粉末喷涂设备的组成:
   浙江喷涂设备高频高压静电发生器:高频高压静电发生器能够分为高压和低压两部分,它提供给喷涂用的高电压低电流,利用喷枪的极针或喷杯产生强大的电场。
  喷枪:喷枪的手柄,喷嘴?#22270;?#38024;或喷杯为金属,其他均为尼龙制品。用尼龙的目的是电绝缘性好,它使喷涂时粉末雾化并将高频高压静电发生器输送来的高压电通过喷枪的极针或旋杯,在喷枪与被喷工件之间形成电场。
  供粉桶:它是装粉末用的,并通过压缩空气将粉末输送到喷枪去。
  空气压缩机:空气压缩机供给0.3~0.4MPa的压缩空气,所输出的压缩空气必须通过油水分离器把水分除去。
  空气调压阀:空气调压阀有两只,一只装在供粉桶上,输入压力为0.5MPa,输出压力为0.05~0.15MPa。另一只装在喷枪前面的风管上,输入压力0.5MPa,输出压力0.3~0.4 MPa,其目的是使压缩空气的压力稳定。
  聚氯乙烯塑料软管:聚氯乙烯塑料透明软管直径为5~6mm,耐压在0.5MPa,它的特点是轻便、耐磨,它是输送压缩空气和粉末。
  
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