adjusting wedge

例句：

1. 1. The adjustable wedge is used to make the screw more secure.
   可调楔子用于使螺丝更牢固。
2. 2. The engineer adjusted the wedge to fit the hole perfectly.
   工程师调整楔子以完美地适配孔洞。
3. 3. The carpenter used an adjustable wedge to hold the boards together.
   木匠使用可调楔子将木板固定在一起。