setscrew

例句：

1. 1.The car was fixed with several sets of screws.
   这辆车用了几套螺丝固定。
2. 2.He used a set of pliers to remove the screws.
   他用一套钳子来拔下螺丝。
3. 3. The construction project required a lot of setscrews.
   这个建筑项目需要大量的紧固件。