- analog backup
- analogue back-up
- 模拟: imitate; copy
- 备用: reserve; spare; alternate; b ...
- 设备: equipment; device; facility; ...
- 模拟备用量: analog standby
- 备用设备: alternate equipment; alternate facility; backup device; backup facility; emergence set; emergency apparatus; emergency equipment; emergency unit; off premise; off-premise; off-stream unit; reserve equipment; spare apparatus; spare equipment; spare unit; spareequipment; stand by equipment; stand by facilities; stand by facility; stand by plant; stand-by plant; standby equipment
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