shaft position digitizer

例句：

1. 1. The shaft position digitizer is used to measure the rotational speed of the shaft.
   轴位置数字转换器用于测量轴的旋转速度。
2. 2. The shaft position digitizer is an essential component in the manufacturing process.
   轴位置数字转换器是制造过程中的一个关键组件。
3. 3. The shaft position digitizer is used to detect any errors in the machine's operation.
   轴位置数字转换器用于检测机器操作中的错误。