Database error: Invalid SQL: select id,title from pwn_News_con where catid=(select catid from pwn_News_con where id=393) and uptime>(select uptime from pwn_News_con where id=393) order by uptime asc limit 1
MySQL Error: 1146 (Table 'nbkm.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=393) and uptime>(select uptime from pwn_News_con where id=393) order by uptime asc limit 1) called at [/www/wwwroot/nbkm/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=393) and uptime>(select uptime from {P}_News_con where id=393) order by uptime asc limit 1) called at [/www/wwwroot/nbkm/news/module/NewsPage.php:33] #2 NewsPage() called at [/www/wwwroot/nbkm/includes/common.inc.php:526] #3 PrintPage() called at [/www/wwwroot/nbkm/news/html/index.php:15] Database error: Invalid SQL: select id,title from pwn_News_con where catid=(select catid from pwn_News_con where id=393) and uptime<(select uptime from pwn_News_con where id=393) order by uptime desc limit 1
MySQL Error: 1146 (Table 'nbkm.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=393) and uptime<(select uptime from pwn_News_con where id=393) order by uptime desc limit 1) called at [/www/wwwroot/nbkm/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=393) and uptime<(select uptime from {P}_News_con where id=393) order by uptime desc limit 1) called at [/www/wwwroot/nbkm/news/module/NewsPage.php:46] #2 NewsPage() called at [/www/wwwroot/nbkm/includes/common.inc.php:526] #3 PrintPage() called at [/www/wwwroot/nbkm/news/html/index.php:15] 浙江汽车制动泵活塞介绍刹车泵与刹车分泵的作用-AG | 首页
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浙江汽车制动泵活塞介绍刹车泵与刹车分泵的作用
作者:管理员    发布于:2014-12-09 11:56:16    文字:【】【】【
摘要:浙江汽车制动泵活塞介绍刹车泵与刹车分泵的作用

浙江汽车制动泵活塞介绍刹车泵与刹车分泵的作用
 
   刹车分泵是制动体系不可短少的零件,它首要的作用是顶动刹车片,刹车片冲突刹车鼓,使车速下降和停止。

    踩下刹车后总泵产生推力将液压油压到分泵,分泵内部的活塞遭到液压力开端移动将刹车片推进。油刹车是由刹车总泵和制动液储罐组成的。他们一头连着刹车踏板,一头连着制动液管。刹车总泵内储有制动液,并有出油口和进油口。当踩刹车时,出油口翻开,进油口封闭。在泵体活塞的压力下,制动液管被挤出油管向各刹车分泵流去作制动功用。当松开刹车板时。刹车总泵里的出油口会封闭,进油口翻开,使制动液从各刹车分泵回流到刹车总泵内,回到原始状况。
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