挑阳台为悬臂结构,必须安全可靠,挑出长度常取( )。
A.1~1.2 m
B.1~1.6 m
C.0.5~1 m
D.1.2~1.5 m
参考答案:A
in thought, he didn't see me before he almost knocked me down. [ ]
A. Absorbing
B. To be absorbed
C. Absorbed
D. Having absorbed
钢筋包括(),是建筑工程中用量最大的钢材品种。
A.普通钢筋
B.特优钢筋
C.混凝土用钢筋
D.预应力混凝土用钢筋