At the stage of pressure higher than bubbling point, the imitated oil shows an elasticcharacteristic with a very low recovery;
结果显示：（1）高于泡点压力阶段，模拟油显现弹性驱动特征，采收率很低；
2
The elasticcharacteristic and torsional stiffness of four kinds of typical dual mass flywheel type torsional vibration damper is analyzed in detail.
对汽车动力传动系双质量飞轮式扭振减振器的选型和设计具有一定的参考价值。
3
Because of the nonlinear elasticcharacteristic of membrane spring, it is difficult to achieve high precision in control of automat IC clutch of automobile.