名词
中文翻译：炉子冷却
同义词：
['furnace heating', 'furnace heat', 'furnace temperature']
例句：
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1. The furnace is being cooled down to prevent overheating.
正在冷却炉子以防止过热。
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2. The furnace needs to be cooled down before it can be used again.
在再次使用之前，炉子需要冷却。
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3. The furnace was designed to maintain a constant temperature for optimal performance.
炉子被设计成保持恒定温度以获得最佳性能。