Other electromagnets would push and pull the train along the track.其他的电磁铁会在轨道上拉或者推火车.The field may be provided by permanent magnets or by electromagnets.外地可能提供的永磁材料,或由电磁铁.Electromagnets would be used to dissipate the ene...
The field may be provided by permanent magnets or by electromagnets.外地可能提供的永磁材料,或由电磁铁.Other electromagnets would push and pull the train along the track.其他的电磁铁会在轨道上拉或者推火车.Electromagnets would be used to dissipate the ene...