gear-tooth vernier

例句：

1. 1. The gear-tooth vernier is used to measure the exact size of a gear.
   齿轮齿形游标用于测量齿轮的精确尺寸。
2. 2.The gear-tooth vernier was developed by a Swiss engineer in the late 19th century.
   齿轮齿形游标是由一位瑞士工程师在19世纪末开发的。
3. 3. The gear-tooth vernier is used in precision machinery to ensure accurate movement.
   齿轮齿形游标用于精密机械中，以确保运动的准确度。