短语词组短語direct arc plasma torch [電]直接弧等離子槍indirect arc plasma torch [爐窰]間接弧等離子槍superimposed arc plasma torch 曡加弧等離子槍transferred arc plasma torch [電]轉移弧等離子槍non -transferred arc plasma torch [電子]非轉移弧等離子槍 返回 arc plasma torch