重载运输是除高速铁路以外，铁路现代化的又一个标志。重载运输是指在先进的铁路技术装备条件下，扩大列车编组，提高列车重量的运输方式。
So, developing the new buffer has important significance in realization of the high speed and heavy haul transportation.
因此,为实现铁路高速重载运输,发展新型缓冲器具有十分重要的意义。
参考来源 - 铁道车辆液气缓冲器特性研究First of all, the definition of heavy-haul transportation, the status of domestic and oversea, market foreground, and reasonable application condition and application premise are introduced.
首先介绍了重载运输的定义、国内外发展现状、市场前景，以及重载运输的合理适用范围及适用条件。
参考来源 - 重载运输的通过能力研究Datong-Qinhuangdao line is China's first coal railway line heavy haul, and it represents the highest level of China's heavy haul transportation theory and practice.
大秦线是我国第一条重载铁路煤运专线,代表着我国重载运输理论和实践的最高水平。
参考来源 - 重载运输装车区车流组织的研究与探讨·2,447,543篇论文数据，部分数据来源于NoteExpress
本实用新型应用于铁路高速重载运输领域。
The utility model is applied in the high speed heavy load railway transportation field.
为了适应我国重载运输的要求，需要对既有的减速顶调速系统进行改造。
In order to adapt the heavy load transportation in our country, we need to change existent retarder speed control system.
因此，开发研制出满足提速、重载要求的转向架是实现铁路提速和重载运输的前提。
With the combination of the need of railway transport development, the development trend of freight car bogies in our country is put forward.
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