目前,我国绝大多数的货车和百分之五十的客车都是采用滑动轴承。为了安全过冬,几十年来一直延用着更换冬油油卷的检修方法。这不仅使工作量集中,而且占用大量劳力、物力,给车辆检修工作带来很大麻烦和困难。 At present, most of our trucks and 50% of the passenger cars are using plain bearings. In order to have a safe winter, maintenance methods for replacing winter oil rolls have been used for decades. This not only makes the workload concentrated, but also takes a lot of labor and material resources, which brings great trouble and difficulty to vehicle maintenance work.