若收球筒内泥沙、焊渣等杂物总体积不超过5升，清管合格。
If the ball within the cylinder sediment, and welding slags sundry total volume in not more than 5 litre, pigging qualified.
拥有两种收弧模式和焊后削小球功能，适合半自动、自动焊、机器人等不同的高性能焊接工艺需求。
Possessing two methods of arc extinguishing and function of ball cutting after welding, suitable for different high performance welding procedures of semi-automation, automation and robot.
中间焊段的收弧区降低先焊焊段残余拉应力的效果要优于起弧区。
Moreover, the effect of the latter welding subsection's quenching arc region on decreasing residual stress of the prior welding subsection is better than the striking arc region.
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