Safe travel life of the lunar rover with planetary wheel, which we researched and designed is mainly dependent on the torsion fatigue life of the torsion bar spring in its suspending frames.

• 研制的行星轮式月球车的安全行驶寿命主要取决于扭杆弹簧悬架中扭杆弹簧的扭转疲劳寿命。