It is found from calculation that the steering mechanism can suppling good longitudinal positioning for whee I set, so the hunting stability on straight track is enhanced.

• 通过计算发现，导向机构能起到轮对纵向定位的作用，可提高直线上的蛇行稳定性，因此，能够很好地解决曲线通过和蛇行稳定性之间的矛盾。