involute profile tester

例句：

1. 1.This involute profile tester is used to measure the geometry of the inner surface of a component.
   这个内含螺旋轮廓测试仪用于测量组件内部表面的几何形状。
2. 2.The engineer used the involute profile tester to ensure the accuracy of the machine's motion.
   工程师使用内含螺旋轮廓测试仪来确保机器运动的精确性。
3. 3.The involute profile tester was crucial in identifying any defects in the welding process.
   内含螺旋轮廓测试仪在识别焊接过程中的任何缺陷中至关重要。