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引用第2樓zjf505于2007-01-31 17:57發(fā)表的 : 4he v ; LED的發(fā)光角度,都是說(shuō)LED光強(qiáng)衰減為一半時(shí)的夾角的呀,所以角度以外都有光的 6-)7:9y
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