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我国液压挖掘机的发展已有20余年的历史。目前,已拥有七种机型14种规格的产品,年产量达到1000台左右。制造质量和技术性能指标在不断改善和提高,是我国各类工程建设中的主要装备。但是,由于我国技术基础工作比较薄弱,产品产量、质量和技术水平都落后于国外。为了彻底摸清国产液压挖掘机的实际状况,以便不断提高产量和质量,建筑机械制造协会挖掘机分会于1985年4月至6月在北京
The development of hydraulic excavators in our country has a history of more than 20 years. At present, there are seven models of 14 types of products, with an annual output of about 1,000 units. The continuous improvement and improvement of manufacturing quality and technical performance indicators are the main equipment for all types of engineering construction in China. However, due to the relatively weak technical foundation of our country, the output, quality, and technical level of our products lag behind foreign countries. In order to thoroughly understand the actual conditions of domestic hydraulic excavators in order to continuously improve the output and quality, the excavator branch of the Construction Machinery Manufacturing Association was in Beijing from April to June 1985.