常规电热水器的功率通常为5 000瓦，但是它能够在相应短的时间里加热50加仑的水。

The normal electric water heater is about 5, 000 watts but it can heat up 50 gallons in a relatively short time.

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我为母亲买了一床电热毯。

I bought an electric blanket for my mother.

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光伏供电的电热泵提供热水用于板条热辐射，太阳能热水板为泳池提供热水。

Photovoltaic powered electric heat pumps provide hot water for in-slab radiant heat and solar hot water panels provide hot water for the pool.

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