短語詞組短語ESW electro -slag welding 電渣焊resistance electro -slag welding 接觸電渣焊manual electro -slag welding 手工電渣焊reinforcing bar electro -slag pressure welding 鋼筋電渣壓力焊Arc Welding and Electro -Slag Welding 電弧焊與電渣焊vertical electro -slag pressure welding 豎向電渣壓力焊consumable nozzle electro -slag welding machine 熔嘴電渣焊機electro -slag welding with plate de 板極電渣焊 返回 electroslag welding