variable rate semi-elliptic spring

例句：

1. 1. The variable rate semi-elliptic spring is designed to provide optimal performance under different operating conditions.
   可变费率半椭圆弹簧设计用于在不同运行条件下提供最佳性能。
2. 2. The variable rate semi-elliptic spring was chosen for its ability to adjust the tension of the cables without affecting their flexibility.
   选择可变费率半椭圆弹簧是因为它能调整电缆的张力而不影响其灵活性。
3. 3. The variable rate semi-elliptic spring is commonly used in industrial applications where precise control offorce is required.
   可变费率半椭圆弹簧在工业应用中被广泛使用，因为需要精确控制力。