名词
中文翻译：内部加热
同义词：
['internal combustion', 'internal temperature control']
例句：
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1. The car's engine is designed to provide efficient internal heating.
这辆车的发动机设计用于提供高效的内部加热。
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2. In the winter, the building has a central heating system for internal heating.
在冬天，大楼有一个中央供暖系统用于内部加热。
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3. The new model features improved internal heating systems and increased efficiency.
新款模型改进了内部加热系统和提高了效率。