unlocking lever spring

例句：

1. 1. The car's engine has a unique unlocking lever spring design that makes it easy to start the engine.
   这辆车的发动机有一个独特的解锁杠杆弹簧设计，使得启动发动机变得容易。
2. 2. The new model car features an improved unlocking lever spring system that provides better fuel efficiency.
   新款汽车采用了改进的解锁杠杆弹簧系统，提供了更好的燃油效率。
3. 3. The engineer carefully inspected the unlocking lever spring of the old machine before making any repairs.
   工程师在修理旧机器之前仔细检查了解锁杠杆弹簧。