tilting ring tachometer

例句：

1. 1. The tilting ring tachometer is used to measure the rotational speed of the engine.
   倾斜环式转速计用于测量发动机的旋转速度。
2. 2.The engineer used the tilting ring tachometer to monitor the performance of the engine.
   工程师使用倾斜环式转速计来监测发动机的性能。
3. 3. The tilting ring tachometer was a critical tool in the maintenance of the old-fashioned steam engine.
   倾斜环式转速计是维护旧式蒸汽引擎的关键工具。