A.大于0.5,大于0.25 B.為0.5~0.0002,為0.25~0.0001 C.為0.5~0.002,為0.25~0.001 D.為0.01~0.001,為0.1~0.0002
A.溶蝕孔隙 B.微孔隙 C.粒間孔隙 D.微裂縫