備存保護(hù)backupsafetydevice: 備用安全裝置backuprogrammer: 副主程序員backupset: 備份集backuprocedure: 備份規(guī)程backupsupply: 備用電源下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
