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要是进口,因此,成本相对较高(大约20元/wp,市场价35元左右).新型太阳能发电产品是以:罩光带、硅光片、热聚管、超导体、耐光塑光热电子元件等为主要原料,不仅成本大大降低,更重要的
http://blog.alighting.cn/zhongyikeda/archive/2008/11/25/1709.html2008/11/25 16:31:00
根. led光纤灯的网状光纤均为细直径的体发光光纤组成.可以组成柔性光带. led光纤灯的光纤照明正是以无限次反射后,光线就随光纤的路径传送,实现了柔性传播.但是光纤照
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http://blog.alighting.cn/yuquanled/archive/2009/6/6/10789.html2009/6/6 15:19:00
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