单项选择题
A.单层框架柱B.与支撑斜杆相连的框架柱C.柱满足延性Ⅴ时D.规则框架,受剪承载力比相邻上一层高出15%
A.4321B.1234C.1324D.3124
A.0.35B.0.45C.0.55D.0.7