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当您走进上海各个社区时，就很容易地发现，社区 内各个住宅楼都安装有大小、规格、式样都不相同的 铁制保安栅栏，普及率几乎达１００％。尽管这些被称为 防盗门、安全窗的保安装置起到了一定的防盗作用， 但同时也带来了相当大的消防隐患，即一旦遇到火 警，里面的人不易逃出，外面的救助人员难以进入，这 些保安装置成了逃生、疏散、救援、灭火活动必须逾越 的很大障碍。本刊“火海博采”专栏去年曾报导的“花 季少年无言的诉说”便是一个保安装置沦为火魔帮凶 的实例。因此，除了应加紧研制新型的既防盗又防火 的保安装置外，本文提供的迅速有效打开保安栅栏的 巧妙方法，在现阶段极具现实意义。
When you walk into various communities in Shanghai, you can easily find that all residential buildings in the community are equipped with iron fencing fences of different sizes, specifications and styles with a penetration rate of almost 100%. Although these security devices, which are called security doors and safety windows, play a certain anti-theft effect, they also bring considerable fire hazards. In the event of a fire, people inside can not easily escape and the rescue workers outside are hard to come by Enter, these security devices have become a major obstacle to escape, evacuation, rescue, fire fighting activities must be overstepped. Our magazine “Fire Haibo mining” column last year, once reported “youth telling no words” is a security device reduced to fire magic accomplices. Therefore, in addition to stepping up the development of a new type of security device that is both anti-theft and fire-proof, the clever method of quickly and effectively opening the security fence provided by this document is of great realistic significance at this stage.