短語詞組短語negative oxygen ion generator 負(fù)氧離子發(fā)生器negative -ion measurement 負(fù)離子測試negative air ion 空氣負(fù)離子negative hydrogen ion [天物]負(fù)氫離子negative e ion 隂離子;負(fù)離子negative e ion beam 負(fù)離子束 返回 negative ion