According to the characteristics of the PSD System, this paper pides this system into three dimensions: the Passenger Screen Door, the Emergency Escape Door and the Manual Secondary Door.
针对屏蔽门系统的特性,论文对屏蔽门系统进行单元划分,将其分为双扇滑动门单元,应急疏散门单元与端门单元。
