back up

短语词组

短语

• back -up galvanometer 辅助检流计
• center back ride up 后中起吊
• weld back -up 焊缝背垫
• Back -up tongs 内钳
• backup and recovery 备份与恢复
• backup and restore 备份与还原
• backup system 备用系统；后备系统
• backup roll 支承辊；背辊；压辊
• backup copy 副本；备份件
• backup file 备份文件
• backup software 文件备份
• backup device 备份设备；备用设备
• full backup 全部备份
• system backup 系统备份；系统后备
• backup storage n . 后备存储器
• file backup 文件备份；档案备份
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