key operation points

• 操作要点

key operation points的用法和样例：

例句

1. The purpose was to study the processing route and operating points of papier-mache Pteridium aquilinum processing.
   为了研究纸型蕨菜加工的工艺流程及操作要点。
2. The key technological operation in the process of soft full grain calfskin upper leather was discussed in this paper.
   介绍了牛犊全粒面软鞋面革的特点和制作过程中的技术操作要点。