turnbuckle screw

例句：

1. 1.The car was fixed with turnbuckle screws.
   这辆车是用扣件螺丝固定的。
2. 2. The bolts were tightened to hold the door shut.
   螺栓被拧紧以关闭门。
3. 3.The fasteners are used to secure the luggage together.
   这些紧固件用于将行李固定在一起。