题目内容

车底架承受的载荷通过上心盘传给下心盘,下心盘传给摇枕。

A. 对
B. 错

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为适应铁路车辆编组连挂,成列运行的特点,车与车之间需装设连接缓冲装置,但不需要所有车辆都设置制动装置。

A. 对
B. 错

铁路车辆通过特殊的轮轨结构实现导向,不需要设置方向盘。

A. 对
B. 错

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