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<http://schema.org/amenityFeature>
"公用区域设有CCTV闭路电视"
<https://www.cn.kayak.com/%E9%9B%B7%E5%BE%B7%E8%BF%AA%E5%B0%94-%E9%85%92%E5%BA%97-%E7%BA%A2%E9%B9%BF%E6%B8%A9%E5%BE%B7%E5%A7%86%E6%88%B4%E6%96%AF%E9%85%92%E5%BA%97.104558.ksp>