The invention changes the originally single casting body into a complex of casting, forging and surfacing.

将原本单一的铸造体变为铸、锻和堆焊复合体。

youdao

The invention changes the originally single casting body into a complex of casting, forging and surfacing.

将原本单一的铸造体变为铸、锻和堆焊复合体。

youdao