AC rail flash butt welding
alternating current rail flash butt welding
direct current flash butt welding
Flash Butt Welding
闪光对焊
对接闪光焊
直流闪光对焊
闪光焊
闪电对头熔接
接触焊
flash butt welding for rebars
Flash Butt Welding Machine
pulse flash butt welding
new arm type welding carriage
reinforcing steel bar T type welding
К190ⅡК rail flash welding machine
К190ПК rail flash welding machine
automatic pressure butt welding
Butt Welding
对
对焊
对头熔接
对接焊缝
对头式锻接
对头式熔接
压力焊
对顶焊接
对缝焊接
对接焊
拼板
对接
butt welding for steel pipe