1引言随着铁路改革的不断深化和生产布局的优化调整,铁路生产资源发挥着更大的效能,得到了充分利用。特别是各机务段整合,使内燃机车集中配置,其利用率得到大幅提高,为铁路整体发展作出积极的贡献,但也派生出一些值得思考的新问题。2问题的提出重庆机务段由原重庆西机务段、重 1 Introduction With the continuous deepening of the railway reform and the optimization and adjustment of the production layout, the railway production resources have played a greater efficiency and have been fully utilized. In particular, the integration of various locomotive depots has led to the centralized configuration of diesel locomotives. The utilization rate has been greatly increased, making a positive contribution to the overall railway development. However, some new problems worthy of consideration have also been derived. 2 raised the issue Chongqing locomotive depot from the original Chongqing West Depot, heavy