involute tester

例句：

1. 1. This involute tester is used to measure the thickness of the material being tested.
   这个内涡式测试器用于测量待测材料的厚度。
2. 2. The involute tester was developed by a team of engineers to improve the accuracy of the measurement process.
   内涡式测试器是由工程师团队开发出来的，以提高测量过程的准确性。
3. 3.The involute tester can detect any defects or irregularities in the material that may affect its quality or performance.
   内涡式测试器可以检测材料中可能存在的任何缺陷或不规则性，这些缺陷或不规则性可能会影响材料的质量或性能。