大理石机械构件采用优质济南青石料经机械加工和手工精磨制成，大理石平行规南安市电话：。

Jinan mechanical components made of high quality marble, stone green machined and hand-made fine grinding.

youdao

大理石机械构件采用优质济南青石料经机械加工和手工精磨制成，大理石平行规南安市电话：。

Jinan mechanical components made of high quality marble, stone green machined and hand-made fine grinding.

youdao