固定工作台经过精磨加工，表面平整光滑。

Fixing bench pass fine grinding, the surface is glossy smooth.

youdao

固定工作台经过精磨加工，表面平整光滑。

Fixing bench pass fine grinding, the surface is glossy and smooth.

youdao

固定工作台经过精磨加工，表面平整光滑。

Fixing bench pass fine grinding, the surface is glossy and smooth.

youdao