A.鋼筋屈服點(diǎn)最小值 B.鋼筋抗拉強(qiáng)度 C.鋼筋伸長率 D.鋼筋公稱直徑
A.灰?guī)r B.砂巖 C.玄武巖 D.花崗巖
A.≤2.5% B.≤3.0% C.≤3.5% D.≤4.0%