是管件制作和管道施工焊接前管端坡口加工的关键设备。

It's a key machine for pipe fitting forming and pipe end beveling before welded in pipeline construction.

youdao

是管件制作和管道施工焊接前管端坡口加工的关键设备。

It's a key machine for pipe fitting forming and pipe end beveling before welded in pipeline construction.

youdao