由于受零件结构的限制，在很多情况下，单纯自由锻也十分困难。

Because of parts structure limit, in many cases, single free forging is also very difficult.

youdao

由于受零件结构的限制，在很多情况下，单纯自由锻也十分困难。

Because of parts structure limit, in many cases, single free forging is also very difficult.

youdao