名词
中文翻译：额定热输入
同义词：
['rated thermal input', 'rated power input', 'rated thermal efficiency']
例句：
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1. The new machine has a rated heat input of 200 kW.
这台新机器的额定热输入为200千瓦。
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2. The heating system is rated for a maximum load of 50 kW.
该加热系统的最大负载额定为50千瓦。
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3. The efficiency of the engine was rated at 25%.
发动机的效率被评定为25%。