hinged casing

例句：

1. 1.The hinged casing ofthe door is designed to be easily openedand closed.
   这个门的铰接壳体设计得易于打开和关闭。
2. 2. The hinged casing of the cabinetis made of sturdy metal.
   这个橱柜的铰接壳体是由坚固的金属制成的。
3. 3.The hinged casing ofthe window is designed to provide a secureseal.
   这个窗户的铰接壳体被设计来提供一种安全的密封。