为了探讨轴承内外套圈磨工粉尘对作业工人肺部的不良影响，以便早期发现其危害。我们对某公司各专业厂湿式磨工作业工人进行了肺通气功能测定，旨在探讨磨工粉尘对作业工人肺通气功能的影响。１　对象与方法１．１　研究对象磨工组为轴承内外套圈磨工１６８名，其中男１３７名 In order to explore the bearing inner and outer ring mill worker dust on the lungs of the adverse effects in order to early detection of the hazards. We conducted a lung ventilation test on wet mill workers at various factories in a company to investigate the effect of mill worker dust on pulmonary ventilation in workers. 1 objects and methods 1.1 Study Group Grinding workers bearing inner and outer ring grinding workers 168, of which 137 men