短語(yǔ)詞組短語(yǔ)full -argon gas shielded arc welding 富氬氣躰保護(hù)銲tungsten argon shielded arc welding 鎢極氬弧銲銲argon -shielded tungsten arc welding 鎢極氬弧銲argon shielded arc welding -pulsed arc 脈沖氬弧銲manual tungsten arc argon -shielded welding 手工鎢極氬弧銲 返回 argon shielded arc welding