Understand the health condition of the Dali city song and dance hall, it 's for improve the customer amusement environment to provide the direct according to.
了解大理市歌舞厅的卫生状况，为改善顾客娱乐环境提供监督依据。
Widely used in bars, disco-hall, hotel lobby, garden square, pedestrian street, courtyards, song and dance halls, parks, roads, staircases, gardens and so on.
广泛应用于酒吧、迪吧厅、宾馆大厅、园林广场、步行街、庭院、歌舞厅、公园、道路、楼梯、花园等场合。
Some people like a song and dance hall decorated home, in fact, black light, fluorescent lights and flashing colored light phototherapy while constitute pollution, hazardous to human health.
有的人把居家装饰得像歌舞厅，其实黑光灯、荧光灯以及闪烁的彩色光源则构成了彩光污染，会危害人体健康。
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