The trolley cars were nicknamed Dang Dang cars by Beijingers of old, in reference to the bell at the head of the car that was rung to alert pedestrians.
铛铛车“是老北京对有轨电车的昵称，因为它的车头挂了一只铃铛，会发出”当当“的声音提醒行人躲避车辆。”
The trolley cars were nicknamed Dang Dang cars by Beijingers of old, in reference to the bell at the head of the car that was rung to alert pedestrians.
铛铛车“是老北京对有轨电车的昵称，因为它的车头挂了一只铃铛，会发出”当当“的声音提醒行人躲避车辆。”
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