使用臭氧消毒时，臭氧对人体有毒，国家规定大气中允许浓度不超过
A 0.2mg／m<img src="https://img.weimei168.com/uploads/upimg/20230525/0332f581a53641cfa4bf17bab6273273.png" /> B 0.12mg／m<img src="https://img.weimei168.com/uploads/upimg/20230525/0332f581a53641cfa4bf17bab6273273.png" /> C 0.3mg／m<img src="https://img.weimei168.com/uploads/upimg/20230525/0332f581a53641cfa4bf17bab6273273.png" /> D 0.13mg／m<img src="https://img.weimei168.com/uploads/upimg/20230525/0332f581a53641cfa4bf17bab6273273.png" /> E 0.1mg／m<img src="https://img.weimei168.com/uploads/upimg/20230525/0332f581a53641cfa4bf17bab6273273.png" />
