East China Jiaotong University Marxist College;
Nanchang;
Jiangxi;
330212;
China;
Hunan Railway Vocational and Technical College;
Zhuzhou;
Hunan;
412000;
China;
The; early; days; of; the; founding; of; the; People’s; Republic; of; China; Railway; accident; Countermeasures; Prevention;