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。
2
Each driving shaft on the bogie is driven by a traction motor.