slip bushing

例句：

1. 1. The car's engine has a slip bushing that helps it run smoothly.
   这辆车的引擎有一个滑动衬套，帮助它运行顺畅。
2. 2.The engineer replaced the worn-out slip bushing with a new one.
   工程师用一个新的滑动衬套替换了磨损的衬套。
3. 3. The old machine had a lot of problems with its slip bushing, so we decided to replace it.
   这台旧机器的滑动衬套有很多问题，所以我们决定更换它。