closure using special wedge seal

例句：

1. 1.The door is closed for repairs.
   门正在维修，已关闭。
2. 2. The closure of the factory has caused a shortage in the market.
   工厂的关闭导致市场短缺。
3. 3. The closure of the border was a major event in the region's history.
   边境关闭是该地区历史上的重大事件。