equipotential bonding conductor 等电位连接线 arc burns 电弧烧伤 imperfections and defects occurring in steel pipe in locations other than the we 钢管中非焊缝部位存在的缺陷和缺欠 ..
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Arc burns ground out 电弧烧伤打磨
Electric Arc Burns Stability 电弧燃烧稳定
Arc Burns. Localized points of surface melting caused by arcing between electrodes or ground and pipe surface.
电弧烧伤。由于电极(含接地极)与管子表面之间起弧而产生的局部表面熔化点。
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