mushroom head screw

例句：

1. 1. Themushroom head screw is a common tool usedin construction.
   蘑菇头螺丝是建筑中常用的工具。
2. 2. The engineer used the mushroom headscrew to tighten the bolts on themachine.
   工程师使用蘑菇头螺丝来紧固机器上的螺栓。
3. 3. The mushroom head screwwas easy to use and made the jobgo quickly.
   蘑菇头螺丝易于使用，使工作进展迅速。