短語詞組短語Welding argon -arc 氬弧銲接法Welding direct -current arc 直流電弧銲接argon shielded arc welding -pulsed arc 脈沖氬弧銲gas metal arc welding -pulsed arc 熔化極脈沖氬弧銲gas tungsten arc welding -pulsed arc 鎢極脈沖氬弧銲welding rod electric -arc welding 銲條電弧銲welding wire for submerged -arc welding [機]埋弧銲絲gas metal -arc welding-short circuiting arc 短路銲nitrogen -arc welding 氮弧銲 返回 welding arc