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Plasma - arc welding ( PAW ) may be used for hard surfacing, overlaying and fully automatic butt welding.
等离子弧焊可用于敷焊硬合金表面、堆焊和全自动对接焊.
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A micro - computer controller of - parameter for key holing plasma arc welding ( PAW ) has been introduced in this paper.
本文介绍了一种小孔法等离子弧焊双参数微机控制器.
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