短語詞組短語arc stud welding 電弧螺柱焊;螺柱焊;螺柱弧焊;翻譯arc -welding operator 電弧焊工submerged arc automatic welding 埋弧自動焊;埋弧自動堆焊arc seam welding 弧縫焊接;電弧縫焊;詳細翻譯Submerged arc spot welding 埋弧點焊an arc -welding 弧焊arc c welding robot 弧焊機器人Submerged arc auto welding 埋弧自動焊 返回 arc welding