本程序的目的是概述 验证测试方法将提高 指玻璃化研磨的保证 正常运行时，车轮不会发生故障 疲劳在其使用寿命内产生的应力。

The purpose of this procedure is to outline a proof test method that will increase the degree of surety at which a vitrified grinding wheel will not fail from normal operating stresses due to fatigue during its useful lifetime.