automatic slag pool welding 自动电渣焊

submerged slag pool welding 埋弧电渣焊接

plate electrode slag pool welding 板极电渣焊

automatic slag-pool welding 自动电渣焊

welding pool 焊接池 ; 烧焊熔池

welding pool width 熔池宽度

welding molten pool 焊接熔池

welding pool shape 熔池形状

welding pool image 焊熔池图像