全国铁路整顿安全基础备忘录王成林人民共和国诞生至今，尤其是国门开放以来，产业结构发生了和正在发生着深刻的变化。但是，交通的五分天下铁路有其三的格局至今基本未变。以去年为例，在国内运输周转总量（货物吨／公里、旅客人／公里）中，铁路货运量占７０％左右，客... Basic Memorandum on the Safety of National Railway Rectification Since the birth of the People’s Republic of China, especially since the opening of the country, the industrial structure has undergone and is undergoing profound changes. However, traffic has five of the world’s railway has basically changed the pattern of the three. Take last year as an example, in the total domestic transportation turnover (cargo ton / km, passenger person / km), railway freight volume accounts for about 70%, passenger ...