Perimeter fence

（重定向自Security fencing）

A perimeter fence is a structure that circles the perimeter of an area to prevent access. These fences are frequently made out of single vertical metal bars connected at the top and bottom with a horizontal bar. They often have spikes or Barbed wire on the top to prevent climbing. Residential perimeter fences are normally made of wood about six inches thick, or a solid wall. Some fences may be string-like pieces of metal stretching across horizontally and vertically, creating a mesh of metal.

单词	Security fencing
释义	Security fencing 原声例句历年英语专业四级听力真题（含译文） In downtown Vancouver, some roads are already closed, and rings of security fencing surround some key venues. 在温哥华市中心，一些道路已经封闭，一些关键场所周围围起了安全围栏。英语百科 Perimeter fence （重定向自Security fencing） A perimeter fence is a structure that circles the perimeter of an area to prevent access. These fences are frequently made out of single vertical metal bars connected at the top and bottom with a horizontal bar. They often have spikes or Barbed wire on the top to prevent climbing. Residential perimeter fences are normally made of wood about six inches thick, or a solid wall. Some fences may be string-like pieces of metal stretching across horizontally and vertically, creating a mesh of metal.
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