首頁›Browse›B›backup controlbackup control編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看backup controlbackup control — 名詞名詞1. a secondary system to take over if the primary one fails1.名詞釋義備援控制a secondary system to take over if the primary one fails例句The backup control kicked in when the main server went down.