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威廉‧坎寬巴（William Kamkwamba）談論建造風車
3,935,771 views |
William Kamkwamba |
TEDGlobal 2007
• June 2007
Read transcript
當他十四歲時，馬拉威（Malaway）的發明家威廉‧坎寬巴為他自己的家庭建造了發電的風車，用的是多餘的零件，概略的計畫源於圖書館中的書籍。
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