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为顺应国内外重载运输的发展趋势,铁道部按照铁路技术政策,结合国民经济对铁路运输的实际需求,在总结成熟经验的基础上,对我国铁路重载运输技术发展提出了明确的目标和要求,既有线采用25～27t轴重设计。既有线货运重载化是大势所
In order to comply with the development trend of heavy-haul transportation both at home and abroad, the Ministry of Railways proposed a clear target for the development of China’s heavy haulage railway technology and the development of China’s heavy haulage railway technology based on the sum of mature experience in light of the railway technical policy and the actual needs of the national economy for railway transportation. Requirements, both the existing line of 25 ~ 27t axle design. Existing line freight overloading is the trend