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教室里的灯,学生每天要在下面坐七八个小时。灯选得好不好,短期内看不出差别,但几年下来,视力差距就拉开了。很多学校意识到问题想改造,但市面上做教育照明的公司那么多,报价从几十万到几
https://www.alighting.cn/news/20261007/179604.htm2026/10/7 18:52:18