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20130704 「風從哪裡來?」國立科工館 Dyson無葉電風扇 今夏接續起風 - YouTube
透過微小型的風力發電機,讓民眾親自體驗「穿堂風」的威力,了解風力發電 的原理 ... Sir James Dyson explains his bladeless fan by The Telegraph 1,616,248 views 0:41 Play next Play now 無葉風扇(489元)、傳統風扇(199元)! by zo4fu4j4001 ...
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