tension reel

例句：

1. 1. This tension reel is used to stretch and relax the fabric.
   这个张力卷筒用于拉伸和放松布料。
2. 2.The tension reel was designed to prevent the fabric from unraveling.
   张力卷筒被设计用来防止布料散开。
3. 3.The tension reel was used to measure the amount of tension in the cable.
   张力卷筒被用来测量电缆中的张力量。