单项选择题
A.19×25B.22×26C.15×20D.15×25
A.风槛B.挂空槛C.门龙D.连楹
A.1.5DX3/8DB.1.3DX3/5DC.1.2DX1∕2DD.1.5Dx1/3D
A.转角部位B.平座下面C.柱头中间D.内檐
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