shield arc electrode 被覆电弧焊条

metal-arc electrode 金属极电弧焊条

manual arc electrode 手工电弧焊条

bare arc electrode 裸电焊条

arc welding electrode [机] 电弧焊条 ; 电焊条 ; 电熔接条 ; [机] 弧焊电极

Mild Steel Arc Welding Electrode 低碳钢焊条

arc-electrode 长弧形电极

metallic electrode arc lamp [电] 金属电极弧光灯