名词
中文翻译：自洁式接触器
同义词：
['self-cleaning switch', 'self-cleaning relay']
例句：
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1. The new self-cleaning contact is designed to reduce maintenance costs.
这款新型自洁式接触器旨在降低维护成本。
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2. The self-cleaning contactwas installed in the factory's automationsystem.
自洁式接触器被安装在工厂的自动化系统中。
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3. The self-cleaningcontact has a low power consumption and longservice life.
自洁式接触器功耗低，使用寿命长。