短語詞組短語manual arc -welding power source 手工弧銲電源manual metal -arc welding 手弧銲manual eletro -slag welding 手工電渣銲manual electro -slag welding 手工電渣銲manual semi -automatic welding 手工半自動銲manual l metal -arc welding 手弧銲manual tungsten arc argon -shielded welding 手工鎢極氬弧銲manual tungsten are argon -shielded welding 手工鎢極氬弧銲one -sided manual welding 手工單麪銲 返回 manual welding