装搭扣的

例句：

1. 1.Please install the new locks on the doors.
   请在门上安装新的锁。
2. 2.The coat has a zipper that you can use to fasten it.
   这件外套有一个拉链，可以用来系紧它。
3. 3.The key fits perfectly into the lock, so I don't need to worry about it.
   钥匙完美地卡在锁里，所以我不用担心它。