短語詞組短語metal -arc welding 金屬極電弧熔焊;金屬極電弧焊;電弧焊metal l arc welding 金屬電弧焊metal inertgas arc welding 惰性氣體金屬電弧焊Metal Argon Arc Welding 熔化極氬弧焊metal gas arc welding 熔化極氣體保護焊manual metal -arc welding 手弧焊argon metal pulsed arc welding 熔化極脈沖氫弧焊impregnated -tape metal-arc welding 浸焊條金屬弧焊AC gas metal -arc welding process 交流熔化極氣保護焊 返回 metal arc welding