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吸顶灯灯光为什么会突然暗下来呢
更新时间: 2020-11-12 00:00:00  

1、驱动问题,驱动的元气件受损导致输出电流下降灯珠发光变暗。

2、灯珠本身问题,时间点长了灯珠质量不好产生硫化导致灯珠变暗。还有一些可能灯罩的透光率下降(塑料时间长了老化)。

关键词: 灯光 为什么 突然 下来

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