screwed dowel

例句：

1. 1.The carpenter used a screwed dowel to hold the boards together.
   木匠用一个螺丝杆把木板固定在一起。
2. 2.The engineer designed a new screwed dowel for the construction project.
   工程师为建设项目设计了一种新型的螺丝杆。
3. 3. The toolbox contains several screwed dowels that can be used to secure various parts of the machine.
   工具箱里有几个螺丝杆，可以用来固定机器的各个部件。