A.1~1.5g/5ml;V=10L,0.01~0.15mg/m3B.0.2~3.2g/2ml;V=20L,0.02~0.3mg/m3C.1.0~35.0g/10ml;V=10L,0.02~0.7mg/m3D.0.5~10g/2ml;V=20L,0.02~0.3mg/m3
单项选择题建筑装饰装修材料放射性满足()属于A类
单项选择题室内空气中甲醛的来源不包括()
A、细木工板、地板B、壁纸和地毯C、混凝土用外加剂、内墙涂料D、汽车尾气、工业废气