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中国农机研究院北京农机化所研究并生产的 DGY-4型电子功率油耗测定仪,采用不加外载的功率测定新方法,能同步、快速、准确地测出国内20多种主要型号的大中小型拖拉机、农用汽车及柴油机功事与油耗量。并由主机自动运算和显示测定结果值。列入1989年国家新产品试产计划的原 DGY-2型仪器,曾在1990年的全国同类产品评审中被
DGY-4 electronic power fuel consumption tester researched and produced by Beijing Agricultural Mechanization Research Institute of China Agricultural Machinery Research Institute, using a new method of power measurement without external load, can synchronously, quickly and accurately measure the output of more than 20 major models in China Small and medium-sized tractors, agricultural vehicles and diesel engine work and fuel consumption. And by the host automatically calculate and display the measured value. The original DGY-2 instrument, which was included in the trial production of new products in 1989, was used in the national product review of 1990