名词
中文翻译：Unknown
同义词：
['cooling agent', 'refrigerant例句：1. The coolant is essential for maintaining the temperature of the engine.（冷却剂对于保持发动机的温度至关重要。）']
例句：
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1. The coolant is essential for maintaining the temperature of the engine.
冷却剂对于保持发动机的温度至关重要。
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2. Coolants are used in various industries to prevent overheating.
冷却剂被用于各种行业中，以防止过热。
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3.The engineers carefully monitored the coolant levels during the operation.
工程师们仔细监控了操作期间的冷却剂水平。