A.按各層水平投影的一半 B.按其外圍水平投影面積 C.一般不 D.按凈面積
A.1層 B.2層 C.3層 D.房屋自然層
A.0.01,0.01 B.0.1,0.1 C.0.001,0.001 D.0.01,0.001