fastening screw

例句：

1. 1. The car was fixed witha fastening screw.
   这辆车是用一个紧固螺丝修好的。
2. 2. Hetightened the screwson the door to make sureit was secure.
   他拧紧了门上的螺丝，确保它牢固。
3. 3. Theengineer used a special fastening screw tohold the bolt in place.
   工程师用一种特殊的紧固螺丝来固定螺栓。