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我国在50～60年代建立了一大批新企业,这些企业的主要设备已使用20～30年,精度、效率与80年代的新产品相比差距很大。为了提高企业的竞争能力与生产效益,企业的技术改造、设备更新换代早已提到议事日程,但限于国力,且相当多的企业自筹的经费也十分有限,因此较多企业的设备超期服役,工况不佳,有些设备能耗大、摩擦副易损,
In the 1950s and 1960s, a large number of new enterprises were established in our country. The main equipments of these enterprises have been used for 20 to 30 years. The precision and efficiency are quite different from the new products in the 1980s. In order to improve the competitiveness and production efficiency of enterprises, technological upgrading and equipment upgrading of enterprises have already been mentioned on the agenda. However, due to their limited national strength and the fact that quite a large number of enterprises raise funds themselves are very limited, more enterprises’ Poor working conditions, some equipment, energy consumption, friction pairs vulnerable,