• 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机车空心驱动系统我国铁路客运提速开发研制机车重大部件

    youdao

  • 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机车空心驱动系统我国铁路客运提速开发研制机车重大部件

    youdao

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