railway grade crossing的意思|示意
铁路与道路平交道口
railway grade crossing相关短语
1、 highway-railway grade crossing 公路铁路平交叉
2、 railway grade crossing guard post 铁路道口标柱
railway grade crossing相关例句
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.
针对目前铁路的线路状况，为有效防止和减少道口事故的发生，提出了机车自动鸣笛装置的设计安装方案。