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 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。
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