- 搜標題
- 搜題干
- 搜選項
單項選擇題
粒徑在（）的骨料為細骨料。
A.0.15~3.25mm
B.0.15~3.75mm
C.0.15~4.25mm
D.0.15~4.75mm
A.0.15~3.25mm
B.0.15~3.75mm
C.0.15~4.25mm
D.0.15~4.75mm
