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zhouyf911:万一小孩子乱开 那[表情] (2014-05-25 19:08)
楚狂声:日光灯管的变体,不涂荧光粉而已,至于臭氧,高压所致,那劳什子对呼吸道有刺激作用,少吸为妙。“冷阴极荧光灯管(英文:Cold cathode fluorescent lamp,缩写:CCFL)是一种光源,使用高压电激发水银蒸汽产生紫外线,然后紫外线激发管内的荧光涂层以发出可见光。其原理和霓虹 .. (2014-05-25 19:19)
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