... arc welding, pulsed-argon arc welding, argon arc spot welding, GMAW(CO2/MIG/MAG), pulsed-GMAW, double ... display, welding machine temperature(the main power parts), instructions, welding record, memory and recall of parameters, ... application etc, that provide much more convenience for users2. Excellent coherence and stability:Compared with ... , which is much easy and useful for client’s usage. Spot-TIG