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根据现场实际对 DF_4型内燃机车喷油器的针阀偶件损坏原因进行分析,总结出一套防止喷油器的针阀偶件损坏的方法。
According to the actual situation on the DF_4 diesel locomotive injector needle valve failure analysis of causes, summed up a set of prevent injector needle and valve damage methods.