Backhome
Position:Home > TAG > vehicles
  • Ball bearings working in vehicles Date: 2020-05-18 17:04:27 Click: 101 Comment: 0

    Cars are running very fast in the road, and drivers can control the speed of cars with steering, brake, and accelerating. In order to make the controlling more smooth, the designer use ball bearings....

    11条记录
Recommend