经过36年的建设,我国已建成电气化铁路23条(段),总里程达10514km,其中双线电气化铁路3 867.5 km,已形成了北京、郑州、成都三大电气化铁路网群,全国铁路总电气化率已达18％。承担着全路25％的客货运量。 我国电气化铁路建设晚于世界先进国家约半个世纪,虽然起步晚,但起点高。我国的电气化铁路 After 36 years of construction, 23 electrified railways (sections) have been built in our country, with a total mileage of 10,514km, of which 3,867.5km of double-track electrified railway have formed the three electrified railway network groups in Beijing, Zhengzhou and Chengdu. The total electrification of the national railway The rate has reached 18%. Bear the whole road 25% of passenger and freight traffic. China’s electrified railway construction later than the advanced countries in the world for about half a century, although started late, but the starting point. China’s electrified railway