本研究从理论分析出发，建立了铁路站场改造工程网络模型，提出了优化步骤，以贵州玉屏站改造为实例进行验证。
This study establishes a network model of railway station yard modification based on the theoretical analysis . Besides , it puts forward the optimization steps taking Guizhou Kaili Station as an example .
玉屏站