在轴杆类零件生产过程中，热处理后校直是一道关键工序。

In the stalk pole spare part production line, it is a key work preface that straightener keep after the hot processing.

youdao

在轴杆类零件生产过程中，热处理后校直是一道关键工序。

In the stalk pole spare part production line, it is a key work preface that straightener keep after the hot processing.

youdao