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“中碳及中碳低锰合金钢淬火钢球”和“普通及低合金白口铁段”是山西省建材工业公司、大同水泥厂等单位研制成功的新型研磨体。这种研磨体具有抗磨性能好,使用寿命长,不易碎裂等优点,其寿命相当于普通碳钢球和砂模铁段的2倍以上。山西省科委将该种新型研磨体列为1983—1985年全省重点科技成果推广项目。山西省建材工业公司十分重视这项推广工作,积极组织有关工程技术人员深入基层做好
The “quenched steel ball of medium-carbon and medium-carbon low-manganese alloy steel” and the “common and low-alloy white iron section” are new grinding bodies successfully developed by the Shanxi Provincial Building Materials Industry Corporation and Datong Cement Plant. This kind of grinding body has the advantages of good anti-wear performance, long service life, and is not easy to crack. Its life span is equivalent to more than twice of the ordinary carbon steel ball and sand mold iron section. Shanxi Provincial Science and Technology Commission listed the new grinding body as the key scientific and technological achievement promotion project of the province from 1983 to 1985. Shanxi Province Building Materials Industry Co., Ltd. attaches great importance to this promotion work and actively organizes relevant engineering and technical personnel to do a good job at the grassroots level.