spring chuck

例句：

1. 1. The car's spring chuck is worn out,so it won't start anymore.
   车的弹簧扣坏了，所以再也启动不了了。
2. 2.The spring joint in the door is loose, and it needs to be tightened.
   门上的弹簧接头松了，需要拧紧。
3. 3. The spring nut on the hinge is broken, and we needto replace it.
   铰链上的弹簧螺母断了，我们需要更换它。