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https://www.alighting.cn/resource/20170407/149628.htm2017/4/7 15:10:20
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https://www.alighting.cn/resource/20170325/149222.htm2017/3/25 15:02:21
目前，led技术日益走向成熟，其面世以来宣扬的寿命长的优点一直是大众关注的重点之一。但是从近些年看来，在led生产和应用当中，我们还是碰到不少“死灯”现象。所谓死灯，又称为灭
https://www.alighting.cn/resource/20170303/148679.htm2017/3/3 10:07:31
