ile:老师要求修改.doc file:毕业设计-刘彬彬.doc file:任务书.doc file:轴承座.dwg file:轴承座决定版.SLDPRT file:总装配图修改版.SLDASM file:膜片联轴器_JMI6.sldasm file:圆锥滚子轴承.sldprt