coach bolt

例句：

1. 1.He was the coach of the basketball team, and he had a lot of experience in coaching.
   他是篮球队的教练，在执教方面有很多经验。
2. 2. The car's engine is faulty, and we need to replace the coach bolts.
   这辆车的引擎有故障，我们需要更换教练螺栓。
3. 3.The coach bolts are used to secure the wheels together, keeping them from coming loose.
   教练螺栓用于将车轮固定在一起，防止它们松动。