名词
中文翻译：断路器开关
同义词：
['breaker switch', 'circuit breaker switch例句：1. The block switch is used to control the flow of electricity in a circuit.（断路器开关用于控制电路中的电流流动。）2. The engineer replaced the old block switch with a new one.（工程师用一个新的断路器开关替换了旧的。）']
例句：
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1. The block switch is used to control the flow of electricity in a circuit.
断路器开关用于控制电路中的电流流动。
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2. The engineer replaced the old block switch with a new one.
工程师用一个新的断路器开关替换了旧的。
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3. During an electrical emergency, the block switch must be turned off immediately.
在电气紧急情况下，必须立即关闭断路器开关。