The side-rolling resistant torsion bar made of this steel exhibits high fatigue life span and elastic limit.

采用该材料制造的抗侧滚扭杆具有高的疲劳寿命和高的弹性极限。

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Thus, requirements of steel with high elastic limit, high fatigue strength and high impact toughness and plasticity.

因此，要求钢具有高的弹性极限，高的疲劳强度以及高的冲击韧性和塑性。

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