Swing and rolling forming is a new press work and Labour saving process.

摆动辗压成形是一种新的压力加工工艺，采用该工艺十分省力。

youdao

Swing and rolling forming is a new press work and Labour saving process.

摆动辗压成形是一种新的压力加工工艺，采用该工艺十分省力。

youdao