名词
中文翻译：真空吸尘器
同义词：
['vacuum cleaner', 'vacuum pump例句：1. The vacuum contactor is used to remove dust from the air.（真空接触器用于从空气中去除灰尘。）']
例句：
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1. The vacuum contactor is used to remove dust from the air.
真空接触器用于从空气中去除灰尘。
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2.The vacuum contactor was designed to improve indoor air quality.
真空接触器被设计用来改善室内空气质量。
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3. The vacuum contactor is essential for maintaining cleanliness in a hospital environment.
真空接触器对于保持医院环境的清洁至关重要。