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1问题的提出新乡机务段有DF8B型机车138台,担当着新乡—阜阳5 500 t煤运通道的重载牵引任务,乘务方式为跨局轮乘,机车交路长、整备时间短,又是国家重要的煤运通道,为此,机车众多不良客观条件的存在对机车柴油机的质量提出了更高的要求。
1 Proposed Xinxiang locomotive depot has DF8B locomotive 138 units, serving as Xinxiang - Fuyang 5 500 t coal transport haulage heavy-duty task, the way for cross-boarding riding crew, locomotive crossing long, the preparation time is short, but also Therefore, the existence of many adverse objective conditions of locomotives puts forward higher requirements on the quality of locomotive diesel engines.