The stiffness is the stricter design rule than strength in car body development. Torsional stiffness, the key factor for car body to resist the poor torsional case, is especially important.
车身刚度是较强度要求更严格的设计指标，尤其是车身扭转刚度指标，它是车身抵抗较恶劣的扭转工况载荷的关键保证指标。
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