Leaf-Spring的用法和样例：
例句
- Gradual rigidity leaf spring has variable rigidity feature,that causes little or neary no change on offset frequency.
渐变刚度钢板弹簧具有刚度可变的特性，可使偏频变化很小或接近等频特性。 - Leaf Springs and goods carriage play an important role in the deformation and stress of a vehicle frame.
摘要钢板弹簧悬架与货厢对车架的变形和应力分布具有重要的影响。
