n.单发动机
Monomotor bogies , where both axles of the bogie are driven by a single motor , often encounter torsional resonances, which lead to periodic longitudinal slip. 对于单马达转向架，转向架上的两根轴由同一个马达驱动，常常会遇到扭转的共振，这将导致周期性的滑动。
