单项选择题
A.The reduction B.Frame beam C.Ring beam D.furnishings
A.框架柱 B.框架梁 C.剪力墙 D.板
A.框架柱 B.框架梁 C.圈梁 D.过梁
A.Precast concrete top plate B.The window C.Ring beam D.The reduction
微信扫一扫,加关注免费搜题
