单项选择题
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
A.The window B.The reduction C.furnishings D.Precast concrete top plate
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