A.mg/(m3·h)B.mg/(m2·h)C.mg/(m3·s)D.μg/(m2·h)
A.地毯B.地毯襯墊C.壁布D.帷幕
A.氡≤150Bq/m3B.甲醛≤0.08mg/m3C.氨≤0.20mg/m3D.TVOC≤0.50mg/m3