• At present railway conditions, in order to reduce the accidents that occurred at the grade crossing, this paper put forward the scheme of design and setting of the locomotive auto-whistle device.

    针对目前铁路线路状况有效防止减少道口事故发生提出机车自动鸣笛装置的设计安装方案

    youdao

  • At present railway conditions, in order to reduce the accidents that occurred at the grade crossing, this paper put forward the scheme of design and setting of the locomotive auto-whistle device.

    针对目前铁路线路状况有效防止减少道口事故发生提出机车自动鸣笛装置的设计安装方案

    youdao

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