在毛主席革命路线指引下,无产阶级文化大革命运动以来,经过我厂广大职工的努力,已初步建成我国自行设计与制造的一整套轴承套圈磨床新系列,迄今,品种达二十余种,规格为孔径(?)10至外径(?)300毫米.为了要广泛地听取轴承行业的意见,更好地为用户服务,现作如下介绍. Under the guidance of Chairman Mao’s revolutionary line and since the Great Proletarian Cultural Revolution Movement, through the efforts of the vast majority of workers in our factory, a new series of bearing ring grinding machines designed and manufactured by our country has been initially established. Up to now, more than 20 varieties have been cultivated, Specifications for the aperture (?) 10 to the outer diameter (?) 300 mm. In order to listen to the wider industry to listen to the views of the industry, to better serve our customers, are as follows.