double-side automatic TIG vertical position welding
electrogas vertical position welding
vertical position welding
addressable vertical position
automatic vertical welding machine
double-side vertical welding
flat wire vertical welding machine
horizontal-vertical position
Inclined Vertical Welding
shank back vertical position
vertical position of outflow
vertical position of welding
vertical welding
立焊
立缝焊接
气电立焊
垂直焊
直立熔接
竖向焊接
竖向焊缝
vertical welding fusion line for water distribution ring pipe of a electric machinery
whole position vertical down welding electrode