短語詞組短語manual backup control system 手動備用控制系統(tǒng)backup p system 後備系統(tǒng);輔助系統(tǒng)backup for system 系統(tǒng)備份backup expert system 後臺專家系統(tǒng)backup coolant system 備用冷卻劑系統(tǒng)backup safety system 備用安全系統(tǒng)quick backup recovery system 單鍵廻複設(shè)定;單鍵廻覆設(shè)定backup acquisition system [自]後援採集系統(tǒng);後備採集系統(tǒng)The Backup Test system 備份測試系統(tǒng) 返回 backup system