stapling machine

1. He bound these documents together with a bookbinding stapling machine.
   他用钉书机把这些文件钉在了一起。
2. The utility model is not only used for stapling a staple, but also used for pulling the staple, thereby increasing the use function of the stapling machine.
   它不仅用来钉书钉，还能用来起书钉，增加了订书机的使用功能。

noun

1. a machine that inserts staples into sheets of paper in order to fasten them together

   Synonym:    stapler