The composition, function and classification of suspension； Structure form of common springs； Structure form of common dampers； rigid axle suspension ； independent suspension ； balanced suspension of multi-axle vehicle； active suspension and semi-active suspension
The function and types of the axle； Solid axles, live axle and steering dive axle； Wheel alignment； The type, construction feature and representation method of the wheel； The type,construction feature and representation method of the tire
The components and function of universal gearing The classification and structure of universal joints The kinematic characteristics of universal joints The characteristics and applications of some typical universal joints Drive shafts and center support bearings
