凹(圆接)缝;
The system movement laws, contact force between rolling element and convex, concave sphere in the joint, friction torque and system actuating torque were obtained.
得到了系统运动规律,接头内滚动体与阴、阳球体间的接触力、摩擦力矩和系统作动力矩。
According to the unevenness of concave welding joint, it studies dynamic performance of high speed trains running on the slab track.
针对焊接凹接头不平顺,研究高速列车通过板式轨道时的动力学性能。
简答网 · 初中英语作文
简答网 · 中考英语
简答网 · 四六级英语
简答网 · 高考英语
简答网 · 双语娱乐资讯