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电水壶和电磁炉烧水哪个省电啊
更新时间: 2020-07-14 00:00:00  

电水壶更省电。原因如下:

1、电水壶它产生的热量完全被水吸收,理论上能量100%提供给水了。

2、电磁炉要把低频交流电转换为较高频交流电,又再经电、磁、电、热 的转换过程,其中大约有10%左右的热量被风扇带走。而发热的部位又在水壶的外壳,热量也不能完全被水吸收。

关键词: 水壶 电磁 烧水 哪个

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