青云翻译

The welding head driving by the shop since the trip casing at the bottom or side to enter the work location

Welding head shop road trip casing at the bottom or the side into working position

Welding apparatus reason workshop driving from traveling schedule drive pipe base or side come on the line position

Welding head from the shop floor traffic from travel sleeve bottom or the side to the working position

Welding head shop road trip casing at the bottom or the side into working position