太阳能也已被广泛地应用于家庭热水系统和街道及高速公路照明。
Solar energy is in wide use for domestic water heating to powering street and highway lights.
这样的水蒸气可以被用作发电，也可以很好的被用作热水输送到当地的家庭和商业建筑中。
The steam can be used to generate electricity and well as hot water that can be pumped to local homes and commercial buildings.
他介绍了洗碗机大小的“陶瓷燃料电池”，它能为一个家庭供应足够的电力以及热水。
He described dishwasher sized "ceramic fuel cells" which could produce enough electricity to power a home as well as hot water.
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