实际轿车系统中大量存在非线性元件，例如弹簧、阻尼器、橡胶衬套以及轮胎等均具有非线性特性。

Real vehicle system includes large Numbers of nonlinear component, such as spring, damper, rubber bushing, tire and so on.

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上紧叶片弹簧加压机直到衬套被拔出叶片弹簧。

Tighten leaf spring press until bushing is extracted from leaf spring.

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上紧叶片弹簧加压机直到衬套凸缘的底部扎实地扺住叶片弹簧的孔眼。

Tighten leaf spring press until bushing flange bottoms solidly against leaf spring eye.

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