fixed-bat reel

例句：

1. 1.The machine has a fixed-bat reel that can be used for various tasks.
   这台机器有一个固定式打击轮，可以用于各种任务。
2. 2. The fixed-bat reel is essential for the operation of the machinery.
   固定式打击轮是机械操作所必需的。
3. 3. The operator must carefully control the speed of the fixed-bat reel to ensure smooth operation.
   操作员必须小心控制固定式打击轮的速度，以确保平稳运行。