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为什么日光灯关闭后仍然还有弱光？

2025-03-15 14:55:02

推荐回答（4个）

回答1：

这是因为你关闭的是零线。灯管仍与火线相通带电这些会通过空气放电从而激发荧光发光。但光很微弱只在夜晚能看见。

回答2：

因为刚关闭，灯管内的荧光粉未全部冷却吸附到壁上，仍处于游离发光状态，待冷却后就会暗下来。

回答3：

没关系，冷却后会消失的。

回答4：

鲜浓醇厚、富于收敛性的滋味，

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