单项选择题
A.28mm B.56mm C.112mm D.140mm
A.抗拉强度不小于400MPa冷轧带肋钢筋 B.抗拉强度不小于400MPa热轧带肋钢筋 C.屈服强度不小于400MPa光圆钢筋 D.屈服强度不小于400MPa热轧带肋钢筋
A.1.05 B.1.10 C.1.25 D.1.30