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第1期1全弹性车辆系统的垂向振动响应分析梁云佟维7120型控制阀的优化设计毛剑13JC型双作用弹性旁承组装工艺及装备设计杨华周增光16一起DF4D型机车制动机的故障处理及防止措施涂强20活塞环径向厚度差的原因及解决措施杨杰23基于二维图样的三维建模的方法和实例朱春耕金才富26
Issue 1 1 Vertical Vibration Response Analysis of Full Elastic Vehicle System Liang Yun Tong Wei Optimal Design of 7120 Control Valve Mao Jian 13JC Double-acting Flexible Side Bearing Assembly Process and Equipment Design Yang Hua Zhou Zenguang 16 Together with DF4D Locomotive Brake Troubles and Preventive Measures TUO Qiang 20 Causes and Countermeasures of Radial Thickness Difference of Piston Rings YANG Jie 23 Methods and Examples of 3D Modeling Based on Two-Dimensional Pattern ZHU Chun-Geng JIN Cai-Fu 26