A.5mmB.6mmC.7mmD.8mm
A.0.3/0.4/0.5mmB.0.6/0.8/1.0mmC.1.2/1.3/1.4mmD.1.5/1.8/2.0mm
A.电极头冷却周期B.焊接时间C.电极压力D.焊接电流