词汇	dual hot-backup
释义	dual hot-backup 双机热备
随便看	Double-Conkvuter Preparing Double-connected daylight greenhouse double connected domains double-connected rectifier double connecting bulb double connection double _ connection double connection check double connection checking double connection plane switch double connection test double consciousness double continued fever double-continuous arch tunnel double-consciousness double consciousness dual consciousness double consecutive number double-consolidation few oil ignition double consonant double constant-stress accelerated life test double constitute double construction double construction project doublecontact double contact