three phase AC/DC arc welding machine 1. Use moving coil type structure, the main circuit uses ... output has AC and DC two kinds of voltages, not only may use 2-8mm acidic welding rod, low-carton steel, low ... and so on material, but also may use the alkalinity welding rod to weld carton steel, alloy steel, as well as ... *445*695645*485*770 ZXE1 THREE PHASE AC DC ARC WELDING MACHINE