At each end of the shaft 1 there is an auxiliary welding head 3 which is also movable horizontally and vertically by known means MM2.
两端的轴1有一个辅助焊接头3也是动产的横向和纵向的已知手段平方毫米。
2
Metal screen adopts cu wire winded sparsely and cu tape wrapped. The nominal cross-section area of the wire is 95 mm2, different cross-section area can be designed for various application means.