短語詞組短語plasma micro -arc 等離子微弧plasma -arc quenched 等離子弧淬火air plasma -arc 空氣等離子弧plasma non -transferred arc 熱等離子弧powder plasma -arc surfacing 等離子弧堆銲Micro -beam Plasma-arc Welding 微束等離子弧銲micro -plasma-argon-arc welding 微束等離子氬弧銲carbon plasma arc -discharger 碳等離子躰源 返回 plasma arc