大秦重载铁路75kg/m钢轨18号固定型辙叉设计研究
대진중재철로75kg/m강궤18호고정형철차설계연구
Research on No.18 Unmovable Frog with 75 kg/m Rail Used in Datong-Qinhuangdao Heavy Haul Railway
저자의 최근 논문