单选题:窗台根据窗子的安装位置可形成内窗台和外窗台,内窗台的作用主要是(  )。

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题目内容:
窗台根据窗子的安装位置可形成内窗台和外窗台,内窗台的作用主要是(  )。 A.室内美观、卫生需要
B.与外窗台对应
C.排除窗上的凝结水
D.满足建筑节点设计需要

参考答案:
答案解析:

具有自重轻、构造简单、材料单一、构件标准定型装配化程度高、现场安装快、施工期短等优点的刚性防水材料是(  )。

具有自重轻、构造简单、材料单一、构件标准定型装配化程度高、现场安装快、施工期短等优点的刚性防水材料是(  )。A.沥青油毡瓦 B.阳光板 C.铅合金防水卷材 D

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