双层城市客车楼梯结构设计方案

The design scheme of the double-deck city bus＇ stair structure

以双层城市客车为基体，介绍了国内双层城市客车的楼梯结构，详细阐述了两种主流楼梯结构的设计方案。

It introduces the double-deck city bus＇ stair structure in China based on double-deck city bus＇ matrix, expounds the technical scheme of two kinds of main stair structure.