名词
中文翻译：空气断路器
同义词：
['air breaker', 'contactor']
例句：
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1. The air-break contactor is used to switch off the powersupply when necessary.
当需要时，空气断路器用于断开电源。
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2. The air-break contactor is essential for maintaining safe electrical systems.
空气断路器对于维护安全电气系统至关重要。
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3. Theair-break contactor was designed toprevent overheating and ensure safe operation.
空气断路器被设计成防止过热并确保安全运行。