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luowei19865:你要先排查一下是灯脚焊接问题还是LED本身来料问题,老化发现不良不要加热,用刀片把灯割下来量测一下,如果不亮就是LED本身问题了(来料或受潮了),排查一下灯时否有烘烤,把灯寄给供应商分析 (2017-06-21 11:29)
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