oval head screw

例句：

1. 1.The carpenter used an oval-headed screw to hold the wooden planks together.
   木匠用一个椭圆形头的螺丝将木板固定在一起。
2. 2. The construction worker needed a new oval-headed screw for the door hinge.
   建筑工人需要一个新的椭圆形头螺丝来更换门铰链。
3. 3. The engineer checked the oval-headed screws before starting the project.
   工程师在开始这个项目之前检查了椭圆形头螺丝。