Good afternoon, I would like to know your experience with the ozone or hypochlorite disinfection tunnels for the population. Do they have any proven efficacy? Thank you / 下午好，我想了解一下在民间使用臭氧或次氯酸盐的消毒(喷雾)隧道的经验，以及是否有功效。 谢谢。(已修改)