block handle

例句：

1. 1. The car's block handle is broken, so I need to replace it.
   车的阻尼器手柄坏了，所以我需要换它。
2. 2. The engineer used a block handle to adjust the brakes.
   工程师用一个阻尼器手柄来调整刹车。
3. 3. The block handle on the door is designed to prevent the door from closing too quickly.
   门上的阻尼器手柄设计成防止门太快关闭。