Through trial spinning, conclusion is made that aluminium inserted cots is of advantages over other kinds of cots and can he generalized.

 
  • 摘要通过纺纱试验对比,说明铝衬套胶辊的纺纱性能优于其它类型的胶辊,可以大面积推广应用。
今日热词
目录 附录 查词历史