名词
中文翻译：预冷器
同义词：
['air cooler', 'air pre-cooler', 'air pre-cooling device']
例句：
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1. The air precooler is used to cool the air before it enters the room.
空气预冷器用于在空气进入房间之前冷却空气。
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2. The air precooler helps to reduce the temperature of the air in the building.
空气预冷器有助于降低建筑物内空气的温度。
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3. The air precooler is an essential tool for maintaining a comfortable indoor environment.
空气预冷器是保持室内舒适环境的必要工具。