After the repair of the 30,000-car girder, it will affect the handling and safety of the car, depreciating by about 30%, and the 6,543,800+car will depreciate by 30,000. The frame is a frame structure that spans the front and rear axles of an automobile, commonly known as the girder, and is the matrix of the automobile. It is generally composed of two longitudinal beams and several cross beams.