slat crimper

例句：

1. 1. She has a sewing machine at home, so she can make clothes for her family.
   她家里有一台缝纫机，所以她可以为家人做衣服。
2. 2. The sewing machine is very useful for people who need to make clothes quickly.
   缝纫机对于需要快速制作衣物的人来说非常有用。
3. 3. The old woman used to sew by hand, but now she mostly uses her sewing machine.
   这位老妇人以前都是手工缝制，但现在她主要使用她的缝纫机。