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对东风在4B型机车的第2、5轴速度表传动结构、牵引电动机抱轴螺栓、空气制动管路滤网骨架提出了改进建议,介绍了改进的原因、方案及实施情况。
This paper puts forward some suggestions for improving the second and fifth axis speedometer transmission structure of 4B locomotive, traction motor axle bolt and air brake pipe filter skeleton, and introduces the reason, scheme and implementation of the improvement.