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 border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240405/11556905_0.gif"> B
0.12mg/m<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240405/11556905_0_1.gif"> C
0.3mg/m<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240405/11556905_0_2.gif"> D
0.13mg/m<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240405/11556905_0_3.gif"> E
0.1mg/m<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240405/11556905_0_4.gif">