A.20mm~30mm;600mm~800mm B.10mm~20mm;600mm~800mm C.10mm~20mm;400mm~600mm D.20mm~30mm;400mm~600mm
A.100mmB.150mmC.200mmD.250mm
A.礦渣硅酸鹽水泥 B.普通硅酸鹽水泥 C.火山灰質硅酸鹽水泥 D.粉煤灰質硅酸鹽水泥