shangbabayue
滚槽 roll-groove如: The Improvement and Application of the Structure Design for the Roll-Groove Die 滚槽模具结构设计的改进及应用 The structural design and working process of roll-groove die, as well as the improved die structure and its application are introduced. 介绍引进滚槽模具的结构设计及工作过程,以及改进后的模具结构及应用。希望帮到你