tack bolt

例句：

1. 1. The car was stuck inthe mud and needed a tack boltto get it moving again.
   汽车陷在泥里，需要一根锚杆才能再次启动。
2. 2. The engineer used a tackbolt to secure the roof before starting thework.
   工程师使用锚杆来固定屋顶，以便开始工作。
3. 3. The carpentertightened the tack bolts onthe door hinges to make surethey were secure.
   木匠拧紧了门铰链上的锚杆，确保它们牢固。