單項選擇題
A.粉煤灰 B.石灰石 C.火山灰質混合材料 D.?;郀t礦渣
A.3000g B.2000g C.1000g D.500g
A.0.1℃ B.0.2℃ C.0.3℃ D.0.5℃
A.30s B.60s C.90s D.120s
A.10% B.5% C.2% D.1%
A.1000mm2 B.1600mm2 C.2000mm2 D.2500mm2
A.>5%且≤20% B.>5%且≤15% C.>4%且≤15% D.>3%且≤15%
判斷題