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针对DF4B型机车冷却水泵漏水的主要原因进行了分析,根据水泵的结构、工作原理、密封件失效机理,以及检修工艺执行上存在的问题,提出了合理、有效的改进措施。
According to the pump structure, working principle, seal failure mechanism, as well as the maintenance process of the existing problems, put forward a reasonable and effective measures to improve the leakage of DF4B locomotive cooling water pump.