Database error: Invalid SQL: update dev_news_con set cl=cl+1 where id='388'
MySQL Error: 1036 (Table 'dev_news_con' is read only)
#0 dbbase_sql->halt(Invalid SQL: update dev_news_con set cl=cl+1 where id='388') called at [D:\23.245.226\23.245.226.15\www.tsjgm.cn\3161\includes\db.inc.php:65] #1 dbbase_sql->query(update {P}_news_con set cl=cl+1 where id='388') called at [D:\23.245.226\23.245.226.15\www.tsjgm.cn\3161\news\module\NewsContent.php:82] #2 NewsContent() called at [D:\23.245.226\23.245.226.15\www.tsjgm.cn\3161\includes\common.inc.php:524] #3 PrintPage() called at [D:\23.245.226\23.245.226.15\www.tsjgm.cn\3161\news\html\index.php:15] 混炼时间取决于密炼机的性能特征、装胶量及胶料配方等诸因素-青岛混炼胶|青岛橡胶皮膜|青岛特士佳工贸有限公司
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混炼时间取决于密炼机的性能特征、装胶量及胶料配方等诸因素
作者:管理员    发布于:2017-11-16 10:05:09    文字:【】【】【
混炼时间取决于密炼机的性能特征、装胶量及胶料配方等诸因素。混炼间增长能改善配合剂的分散,但时间过长容易造成过炼,也会影响胶料的硫化特性。目前XM-2 5 0 / 20 型密炼机的混炼时间为10~12min。