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简要介绍了东风4型机车柴油机滤网上异物的产生原因及辨认方法和利用这些异物快速、准确判断柴油机故障处所的经验。
This paper briefly introduces the causes and identification methods of foreign matter on the diesel engine filter of Dongfeng 4 locomotive and the experience of using these foreign materials to judge the faulty places of diesel engines quickly and accurately.