- circuit-breaker for equipment
- 设备: equipment; device; facility; ...
- 用: 40分钟跑完全程 run the course in 4 ...
- 断路器: circuit breaker; cut-out swi ...
- 备用断路器: back up breaker; back-up breaker
- 断路后备装置,备用断路器: breaker back up
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