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以第六次铁路大面积提速为标志,中国铁路在装备技术水平上有了很大提升。我国目前已经掌握了既有线时速200～250km的电气化成套技术,包括牵引供电和运营维修等一系列技术,并向时速300km以上的高速铁路迈进。我刊特邀请中铁电气化勘测设计研究院副总工程师王术合就有关问题给予介绍。
Taking the large-scale speed increase of the sixth railway as a mark, the Chinese railway has greatly improved its equipment and technology. At present, China has mastered a complete set of electrification technology with an existing line speed of 200km to 250km per hour, including a series of technologies such as traction power supply and operation and maintenance, and advanced to a high-speed railway with a speed of more than 300km per hour. I hereby invite Wang Shuhe, deputy chief engineer of China Railway Electrification Survey and Design Institute, to give an introduction on the relevant issues.