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第1期轮对压装曲线不合格的原因及对策…………………………周兰英 2浅谈CW一2B型转向架A2级检修…………………付宗仁 阎军旺 6采用低粗糙度磨削工艺加工活塞销…………………………张建国 9货车197726型轴承检修中应注意的几个问题………………李智皓13关于DF4B型3424机车机?
The first round of pressure on the curve of substandard reasons and Countermeasures .............................. Zhou Lanying 2 on a CW-2B bogie A2 grade inspection ....................... Fu Zongren Yan Junwang 6 low Roughness grinding process piston pin .............................. Zhang Jianguo 9 Freightliner 197726 bearing repair should pay attention to several issues .................. Li Zhihao 13 About DF4B 3424 locomotive machine?