铁路是国民经济的大动脉,是社会发展的先行产业。铁路输送能力大、能耗小、成本低、污染轻,是交通运输发展的重点。改革开放以来,在党中央、国务院的领导和关怀下,铁路依靠科技进步,取得了显著的成绩,许多运输指标处于世界铁路前列。当前,铁路的发展与运输的需求极不适应,乘车难、运货 The railway is the main artery of the national economy and the forerunner of social development. Railway transport capacity, low energy consumption, low cost, light pollution, is the focus of transport development. Since the reform and opening up, thanks to the leadership and care of the party Central Committee and the State Council, the railway has made remarkable achievements in relying on scientific and technological progress. Many transport indicators are at the forefront of world railways. At present, the development and transport needs of the railway are extremely unmanageable