Weld Head：The combination of a motor,gear box,and contact nozzle that is usually mounted to a SAW machine.A welding head performs the same function as a welding gun,but the welding gun is portable.
似乎没有既定的中文译名.根据文意,我的意见可译为：气焊组合头,或 气焊组头.
Weld Head：The combination of a motor,gear box,and contact nozzle that is usually mounted to a SAW machine.A welding head performs the same function as a welding gun,but the welding gun is portable.
似乎没有既定的中文译名.根据文意,我的意见可译为：气焊组合头,或 气焊组头.