名词
中文翻译：断路器
同义词：
['interruption', 'cutoff']
例句：
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1. The power company had to shut down the circuit-breaker due to a fault in the wiring.
由于电线故障，电力公司不得不关闭断路器。
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2. During the emergency, the circuit-breaker was used to prevent further damage.
在紧急情况下，断路器被用来防止进一步的损害。
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3. The engineer tested the circuit-breaker to ensure it could handle the sudden surge of electricity.
工程师测试了断路器，以确保它能承受突然的电流激增。