名词
中文翻译：断路器
同义词：
['switch', 'breaker', 'interrupter']
例句：
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1. The circuit-breaker tripped the power supply.
断路器跳闸了，导致电力供应中断。
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2. The circuit-breaker was designed to protect against overheating.
这个断路器的设计是为了保护设备免受过热损害。
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3. When the circuit-breaker opened, the lights went out.
当断路器打开时，灯熄灭了。