不要太频繁的开关灯。太频繁的点灯会导致led灯管两端发黑，严重的会直接损坏。假如工作电压很低，led灯管的两方面会在照明刚开始的时候发射钨，导致led灯管内产生许多斑点状污染物质，这是led灯管损坏的原因之一。
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