shrink ring

例句：

1. 1. This shrink ring is designed to prevent the fabric from stretching.
   这个收缩环设计用来防止布料拉伸。
2. 2.The shrink ring was used to fix the seams before sewing.
   使用这个收缩环来固定缝线。
3. 3.The shrink ring helps keep the fabric flat and smooth during the drying process.
   这个收缩环有助于在干燥过程中保持面料平整光滑。