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对DF11型机车励磁接触器LC不吸合故障原因进行分析 ,在此基础上对 3Q30型辅助触头进行改进 ,满足了机车实际运用的需要
On the DF11 locomotive excitation contactor LC does not pull the cause of the failure analysis, on the basis of the 3Q30-type auxiliary contacts to improve to meet the actual needs of the locomotive