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| stand by plant | |||
| spares; standby/stand-by | |||
| back-up facility | |||
| reserved equipment | |||
| alternating facilities | |||
| backup facility | |||
| duplicate equipment; back-up | |||
| standby facility | |||
| stand-by; optional equipment; spare | |||
| standby equipment | |||
| off-premise equipment | |||
| off-stream unit | |||
| backup; spare unit; stand-by facilities; stand-by unit; emergency equipment | |||
| reserve equipment | |||
| stand by | |||
| spare equipment; standby | |||
| auxiliary equipment; emergency apparatus; emergency unit; ready-to-servo requirement; stand-by facility; stand-by plant | |||
| emergency set | |||
| standby facilities | |||
| stand-by equipment | |||
| |||
| emergency apparatus | |||
| |||
| spare unit | |||
| |||
| standby machinery | |||
| |||
| standby | |||
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| optional equipment | |||
| |||
| spare unit | |||
| 备用设备: 1051 phrases in 70 subjects |