我国众多的中小型编组站,大多是在区段站的基础上发展起来的,一般都是横列式一级二场布置,虽几经扩建改造,到发线、编组线和咽喉能力,仍然是很紧张的。随着中小城市的发展,人民物质生活水平的不断提高,工业企业专用线的接轨也越来越多,由于城市建设规划和铁路发展规划脱节,专用线的出岔和配置不当,进一步加剧了车站 Most of our small and medium-sized marshalling yard stations are mostly developed on the basis of district stations. They are generally arranged in a horizontal arrangement at two levels. Although they have been expanded and rebuilt in several stages, their arrival, marshalling and throat lanes are still very strong nervous. With the development of small and medium-sized cities, the material living standards of the people continue to increase, and the convergence of specialized lines for industrial enterprises is also increasing. Due to the disjunction between urban planning and railway development planning and the special arrangement and mis-allocation of special-purpose lines, the station