名词
中文翻译：Unknown
同义词：
['直流电加热，直接电流加热，直流电供暖例句：1. The new electric heater is much more efficient than the old one.（新型电加热器比旧的更高效。）']
例句：
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1. The new electric heater is much more efficient than the old one.
新型电加热器比旧的更高效。
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2.Direct current heating is a popular method for warming homes in cold weather.
直流电加热是寒冷天气中温暖房屋的一种流行方法。
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3.In some countries, direct current heating is still used for heating homes during winter.
在一些国家，在冬季仍然使用直流电加热来取暖家庭。