A.4.3~3.6 B.3.7~3.1 C.3.0~2.3 D.2.2~1.6
A.小于0.15mm B.0.15~4.75mm C.0.15~6.75mm D.大于5mm
A.硅酸鹽水泥 B.普通水泥 C.粉煤灰水泥 D.礦渣水泥