starting crank shaft spring

例句：

1. 1. The new car has a starting crank shaft spring that ensures smooth starting.
   这款新车配备了起动曲轴连杆弹簧，确保启动平稳。
2. 2.The old car had worn out its starting crank shaft spring, which made the engine hesitate.
   旧车由于起动曲轴连杆弹簧磨损，导致发动机启动时有延迟。
3. 3.The mechanic replaced the worn-out starting crank shaft spring with a new one to fix the problem.
   技师用一个新的起动曲轴连杆弹簧替换了磨损的部件，解决了问题。