According to amplitude analysis of the measurement signal, the probability DE sign method of finding the spring stiffness of the tractor's hydraulic draft control system is stud ied.
以实测信号为依据，通过幅值域分析，探讨了拖拉机液压系统力调节弹簧刚度的概率设计方法。
Rubber main spring being acted as the principle force bearing component of hydraulic suspension, its stiffness characteristics will affect directly the property of hydraulic suspension.
橡胶主簧作为液压悬置的主要承力部件，其刚度特性直接影响液压悬置的性能。
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