Rolling material support ball is set, to minimize fish tail with sheet bar and to reduce frictional resistance.

滚动托料球，减少板料划伤，并可减少摩擦阻力。

youdao

Rolling material support ball is set, to minimize fish tail with sheet bar and to reduce frictional resistance.

滚动托料球，减少板料划伤，并可减少摩擦阻力。

youdao