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https://www.alighting.cn/resource/20160308/137724.htm2016/3/8 10:19:02
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https://www.alighting.cn/resource/20160301/137461.htm2016/3/1 16:15:09
传统照明提供的是360°圆周光,LED 一般封装出来的是120°发光,这样的一次光一般的应用是可以满足需求的,可是很多时候我们需要的更加可控的光。
https://www.alighting.cn/resource/20160226/137324.htm2016/2/26 10:27:55