Mini power station provides self-sufficiency
(chinadaily.com.cn) Updated: 2010-10-12 10:22
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Students take notes while looking at the solar panels and listening to their teacher’s interpretation, Oct 10, 2010. [Photo/Xinhua] |
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Students take notes while looking at the solar panels and listening to their teacher’s interpretation, Oct 10, 2010. [Photo/Xinhua] |