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随着我国机车制造技术的发展 ,内燃机车上的各种控制电器也开始向多功能、小体积、高集成方向发展。在有些机型 ,如ＤＦ4Ｂ、ＤＦ4Ｃ型机车上的各种电子装置虽几经改造 ,但是在机务段现场使用和维修过程中仍然问题较多。我国现役内燃机车上使用最多的磁场削弱自动过渡装置基本
With the development of China’s locomotive manufacturing technology, all kinds of control electric appliances on the diesel locomotive have also started to develop in the direction of multi-function, small size and high integration. In some models, such as DF4B, DF4C locomotives, although a variety of electronic devices after several modifications, but the locomotive depot in the field of use and maintenance process is still more problems. The most widely used magnetic field on active diesel locomotives in China weakened the basic automatic transition device