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随着城市的发展,作为快速便捷的交通工具,地铁等轨道交通在人民生活中越来越普遍,为了提高乘客安全性,一种可以隔绝轨道列车和站台乘客的装置——屏蔽门(或安全门),也应运而生。但轨道列车与安装的屏蔽门(或安全门)之间有约25-30厘米的间距,地铁门与屏蔽门(或安全门)之间的这个空隙大到可以容纳一个人,会出现乘客或者其他物体被夹在这个空间里的情
With the development of the city, as a fast and convenient means of transportation, rail transit such as subway is more and more common in people’s life. In order to improve the safety of passengers, a device capable of isolating railway trains and platform passengers - screen door (or safety door) , Also came into being. However, there is a distance of about 25-30 centimeters between the track train and the installed screen door (or safety door). The gap between the subway door and the screen door (or safety door) is large enough to accommodate a person and passengers or other objects may appear Is caught in the space of love