结果表明：空气弹簧的刚度不仅与其静平衡位置时的压力和容积有关，还与其有效面积变化率和体积变化率有关。
The results show that the stiffness is dependent not only on the pressure and volume at static balance, but also on the change rates of efficient area and volume.
与机械弹簧相比，具有举力大，力特性平滑而体积小的特点。
Compared with the mechanical spring, a move of the large, smooth and characteristics of the characteristics of small size.
在膜式空气弹簧结构与计算模型的基础上，建立起膜式空气弹簧有效面积、有效面积的变化率及有效体积变化率的计算模型。
The calculation models of the effective area, the rate of change of the effective area and the rate of change of the effective volume are established for the diaphragm air spring.
矩形截面模具弹簧与一般圆柱弹簧不同，它具有体积小，钢度大，疲劳寿命长特点。
Diffcrent from ordinary cylinder springs, die springs are of smaller size, higher rigidity and longer lifetime.
该汽轮机EH执行机构的弹簧座体积比较大，检修时弹簧座装拆困难，影响了装配和维修的效率。
The size of the spring box of this steam turbine's EH actuator is relatively so big that it is difficult to assemble and disassemble and it affects the efficiency of assembly and maintenance.
该汽轮机EH执行机构的弹簧座体积比较大，检修时弹簧座装拆困难，影响了装配和维修的效率。
The size of the spring box of this steam turbine's EH actuator is relatively so big that it is difficult to assemble and disassemble and it affects the efficiency of assembly and maintenance.
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