joint hinge

例句：

1. 1. The car's steering wheel is made of metal and has a joint hinge for easy adjustment.
   汽车的方向盘由金属制成，有一个关节铰链便于调整。
2. 2. The door was designed with a joint hinge to make it more secure.
   门的设计中包含了一个关节铰链，以使其更加安全。
3. 3.The furniture was assembled with precision joint hinges, ensuring a smooth transition between pieces.
   家具的组装非常精确，关节铰链确保了部件之间的平滑过渡。