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避雷针怎么安装_家居日记
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避雷针怎么安装

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避雷针怎么安装 1、先做好基础的结构，安装接地极，用角钢或者专用的钢材做引下线，与接地极相连接，还要预留连接点。2、布置引下线，作为连接避雷针的导线，要高出屋面


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