Idea is put forth for the grouping edge of cot system through aliuminium inserted nontreatment cots for carding,doubling,roving and spinning process.

• 提出实现精梳、并条、粗纱、细纱全过程铝衬表面不处理是胶辊系统组合优势的方向,指出中胶辊替代中铁辊能与胶圈形成两种器材的组合优势。