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国家重大科技攻关项目,大马力平地机由天津工程机械制造厂试制成功。7月27日至28日在城乡建设环境保护部的主持下通过了国家级鉴定。该机选型正确,整机性能先进,总体布局合理。样机试制采取了部分进口件与自制件组合的“嫁接”方式,该机主要性能达到了国际先进水平,适合我国国情,经济性是好的,提高了露天矿建设和生产中成套设备的自配水
The country’s major scientific and technological research projects, large horsepower grader by the Tianjin Construction Machinery Manufacturing Factory trial production success. From July 27th to 28th, under the auspices of the Ministry of Urban and Rural Construction and Environmental Protection, a national-level appraisal was passed. The aircraft selection is correct, the overall performance is advanced, and the overall layout is reasonable. The prototype of the prototype adopts the “grafting” method in which some imported parts and self-made parts are combined. The main performance of the aircraft has reached the international advanced level and is suitable for China’s national conditions. The economy is good, and the self-provisioned water for complete sets of equipment in the construction and production of open-pit mines has been improved.