短語詞組短語angle backwards welding 后傾焊angle butt welding 斜口對接焊angle forward welding 前傾焊slant angle type welding 低角度式焊接angle forwards welding 前傾焊;詳細(xì)翻譯Angle Pipe Welding Vises 角管焊接鉗angle of welding wire 焊絲傾角angle welding seam 角焊縫angle welding joint 角接接頭 返回 angle weld