根据我国《环境空气质量标准》,SO2的1小时平均浓度限值和日平均浓度限值分别为
A:0.15mg/m3,0.5mg/m3
B:0.5mg/m3,0.15rug/m3
C:0.75mg/m3,0.05rug/m3
D:1.0mg/m3,0.75mg/m3
E:3.0mg/m3,1.0mg/m3
发布时间:2024-06-22 17:20:57