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针对DF4D型机车的一次机破事故 ,详细分析了由于误操作冷却水系统截止阀而造成“水温高”的故障根源 ,并提出了有关DF4D型机车冷却系统的一些改进意见和建议。
Aiming at the primary machine breaking accident of DF4D locomotive, the root cause of “high water temperature” caused by the misoperation of the shut - off valve of cooling water system was analyzed in detail. Some suggestions for improving the cooling system of DF4D locomotive were put forward.