动脉锁瓶颈艰难安全行本刊记者黄昕一方面中国铁路数量少，装备水平低，长期以来超负荷运转；另一方面铁路却在最困难的时期，创造了最值得炫耀的运输安全成绩──两者形成了巨大的反差进入９０年代以来，中国铁路陷入了前所未有的困境，铁路的发展已大大滞后于国民经济的... Artificial lock bottleneck hard and safe line reporter Huang Xin on the one hand, the small number of Chinese railways, low level of equipment, has long been overloaded operation; the other hand, the railway is in the most difficult period, creating the most worthy of showing off the transport safety results ─ ─ The two formed a huge contrast into the 90’s since the Chinese railway caught in an unprecedented predicament, the development of the railway has lagged far behind the national economy ...