When the papermachine have been worn or cots and oscillating iron roller when poor contact, they cannot obtain uniform cloth inks and ink.

 
  • 当胶辊轴脚磨损或胶辊与串不朱铁辊隔绝不良时,都不克不及达不败较平均的布不朱和传不朱。
今日热词
目录 附录 查词历史