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铁路是我国国民经济和社会发展的大动脉。在我国五大交通运输方式中一直处于首要地位。目前我国铁路运营里程已达 7 15万km ,位居世界第三、亚洲第一。其中复线铁路 2 38万km ,电气化铁路 1 83万km ,均居亚洲第一。我国铁路以 7万多km线路完成换算周转量 2万亿t·km ,已成为世
The railway is the main artery of our national economy and social development. In our five major modes of transport has been in the forefront. At present, China’s railway operation mileage has reached 7150 km, ranking third in the world and first in Asia. Among them, there are 2 380 km of double-track railways and 1.83 million km of electrified railways, ranking the first in Asia. China’s railways completed more than 70 billion km2 of converted traffic with more than 70,000 km lines and has become a world