The hollow axle driving system of wheel sets of DF 11 locomotives is a new main component developed for speedup of domestic railway passenger traffic.
东风11型机车轮对空心轴驱动系统是为我国铁路客运提速开发研制的机车重大新部件。
The traffic dispatching system for passenger-dedicated railway lines is the core for traffic management, traffic control as well as for train operations.
客运专线运营调度系统是客运专线运营管理、调度指挥和列车运行控制的中枢；
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