manual device backup 人工设备后援 ; 手动设备备份

backup device 备份设备 ; 备用设备

Security Device Backup 资安设备备援服务

automatic device backup 自动设备备份

Fixed backup device is full 指定的备份目标设备已满

backup safety device 辅助安全装置 ; 备用安全设备

Device Information Inquiring and Backup 设备信息查询及备份

With Backup Device 附有备用装置

device-based backup 设备级备份