短語詞組短語backup p device 備用設(shè)備;備用安全裝置;備份設(shè)備;備用裝置Backup your device 備份好資料backup safety device 輔助安全裝置;備用安全設(shè)備master backup reverse device 主備份倒換裝置train backup detection device 列車後備檢知設(shè)備Backup autocontrol device 備自投裝置SIM CARD BACKUP DEVICE 備份器;SIM卡backup air gap device 後備間隙裝置With Backup Device 附有備用裝置 返回 backup device