- 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
下载手机词典可随时随地查词查翻译