The method of scanning the worn surface with SEM to study rubber abrasion has subjective and accidental factor, therefore the different viewpoint of mechanisms of rubber by a line contact appears.

• 由于用扫描电镜观察橡胶磨损后的表面形貌的研究方法带有一定的主观偶然的因素，使得目前对橡胶线接触磨粒磨损机理看法不一。