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按国际广为应用的DIN70020标准,拖拉机发动机的标定功率应有净功率和毛功率之分。国际标准ISO2288-1979(C)规定的定义为:凡标准产品运转所必须的辅助装置都安装的情况下,在台架上根据制造厂规定的转速从曲轴或动力输出轴所测得的功率称之为净功率。做净功率试验时安装的辅
According to the international DIN70020 standard widely used, the rated power of tractor engine should be divided into net power and gross power. The international standard ISO2288-1979 (C) defines the following: Where the auxiliary equipment required for the operation of a standard product is installed, the power measured on the bench from the crankshaft or power take-off shaft according to the speed specified by the manufacturer The net power. To do a net power test installed auxiliary