试题与答案

在楼板层中，主要起隔声、防水、隔热、保温等绝缘作用的部分是( )。A．楼板面层B．

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题型：单项选择题

题目：

在楼板层中，主要起隔声、防水、隔热、保温等绝缘作用的部分是( )。

A．楼板面层
B．楼板结构层
C．附加层
D．顶棚层

答案：

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下面是错误答案，用来干扰机器的。

参考答案：C

考点：安全员高处作业安全施工
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