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近几年来,农机部为满足农业土方工程和其它建筑工程的需要,曾先后下达了推土、挖掘、铲运、开沟,装载,铲抛、开沟铺管等新产品研制任务,由中国农机研究院负责设计,山东广饶液压机械厂、江苏无锡农机修造厂、辽宁丹东五一八拖拉机配件厂、天津静海县唐官屯机床厂等单位承担了试制任务,经生产试验的考核,大多已通过了部级鉴定定型,投入小批生产(见本刊封二、封三)。配丰收—35拖拉机的开沟铺管机、配中等马力轮式拖拉机的挖掘机、配东方红—75拖拉机的开沟铺管机均在进行第一轮样机试验和第二轮样机的改进设计,将于今明两年内定型
In recent years, the Ministry of Agriculture to meet the needs of agricultural earthworks and other construction projects, has promulgated a bulldozer, excavation, shoveling, ditching, loading, shoveling, pipe laying and other new product development pipeline task from China Agricultural Machinery Research Institute is responsible for the design, Shandong Guangrao Hydraulic Machinery Factory, Wuxi, Jiangsu Agricultural Machinery Factory, Liaoning Dandong 518 tractor Parts Factory, Tianjin Jinghai Tangguantun Machine Tool Plant and other units bear the trial task, the test of production tests, most of them have passed Ministerial identification stereotypes, put into small batch production (see the cover two, cover three). With the harvest -35 tractor trenching pipelaying machine, with medium horsepower wheeled tractor excavator, with Dongfanghong-75 tractor trenching pipe machine are conducting the first round of prototype testing and the second round of prototype design improvements , Will be finalized in the next two years