closure head

例句：

1. 1. The engineer closed the door with a tight closure head.
   工程师用一个紧固的闭合头关闭了门。
2. 2.The new device has a unique closure head design that makes it easy to use.
   这款新设备有一个独特的闭合头设计，使用起来非常方便。
3. 3. The closure head is designed to prevent leaks and ensure a secure fit.
   这种闭合头的设计是为了防止泄漏并确保紧密贴合。