In this paper, the string casting technique of small ductile iron castings with thick section were introduced.

介绍了厚实的球铁小件首尾相连组合串铸的工艺。

youdao

In this paper, the string casting technique of small ductile iron castings with thick section were introduced.

介绍了厚实的球铁小件首尾相连组合串铸的工艺。

youdao