英语语法分析

Having discussed some essential problems of using butyronitrile top roller, the author introduces the features of top roller with inter-pattern, and shows us key spinning effects of top roller.

本文探讨了用好丁腈胶圈的几个主要问题；介绍了内花纹胶圈的特点；并列举了几种主要胶圈的纺纱效果。