Spring plank stiffness influence of swing bogie freight car on its dynamics performances
摆动式货车转向架弹簧托板刚度对其动力学性能的影响
互联网摘选
以真实的车辆悬挂系统为主体,以减震弹簧为研究对象,设计了一个基于非线性谱分析方法的减震弹簧失效诊断的实验系统。
互联网摘选
Grandmother feels sleeping on plank bed is more comfortable than on the spring mattress.
奶奶觉得板床比“席梦思”睡着舒服.
互联网摘选