名词
中文翻译：冷却器
同义词：
['cooling unit', 'cooler', 'refrigeration unit']
例句：
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1. The hydrocooler is used to cool down the liquid in the tank.
冷却器用于冷却罐中的液体。
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2. The hydrocooler is essential for maintaining the temperature of the food during storage.
冷却器对于保持食品在存储期间的温度至关重要。
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3. The hydrocooler was installed in the factory to improve efficiency and reduce energy consumption.
冷却器被安装在工厂中，以提高效率并减少能源消耗。