In suitable, thick type and the welding of building steel plate and Angle iron etc...

适用中、厚型结构件及建筑钢筋、角铁等焊接。

youdao

In suitable, thick type and the welding of building steel plate and Angle iron etc...

适用中、厚型结构件及建筑钢筋、角铁等焊接。

youdao