A choke shape design is used for obtaining the satisfactoryweld joint.
采用缩口的接触型式，能获得满意的电阻焊接头。
2
This machine combining respectively with flexible trackway and rigid straight trackway is used to weld the dome and vertical wall of a storage tank, and the result is satisfactory.
该设备配以柔性轨道、刚性直轨道，分别焊接了储罐的弧形拱顶和立缝，取得了满意的效果。
3
The experiment has proven that it can perform quite well in the welding and bring a satisfactory result, being an economical new-type weld material with high efficiency.