名词
中文翻译：Unknown
同义词：
['thermal efficiency', 'heat efficiency', 'calorific value']
例句：
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1.The energy-saving light bulb has a high thermal efficiency.
节能灯具有很高的热效率。
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2. The new car has a higher thermal efficiency than the old one.
这款新车的热效率比旧款高。
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3.Thermal efficiency is an important factor in determining the cost of production.
热效率是决定生产成本的重要因素。