closing component

例句：

1. 1. The new software requires a closing component to be installed on the computer.
   新软件需要安装一个关闭组件在电脑上。
2. 2.The engineers carefully assembled the closing component before starting the project.
   工程师们在开始项目之前仔细组装了闭合组件。
3. 3. The manufacturer is considering adding a new closing component to improve product quality.
   制造商正在考虑添加一个新的闭合组件来提高产品质量。