rate of roll indicator

例句：

1. 1. The engineer used a rate of roll indicator to measure the machine's performance.
   工程师使用滚动速率指示器来测量机器的性能。
2. 2. The company introduced a new product with a rate of roll indicator that could quickly detect faults.
   该公司推出了一款带有滚动速率指示器的新产品，能够迅速检测出故障。
3. 3.The rate of roll indicator was used to optimize the machine's operation and reduce downtime.
   滚动速率指示器被用于优化机器的操作并减少停机时间。