rotary bending tester

例句：

1. 1. The rotary bending testeris used to measure the strength of materials.
   旋转弯曲试验器用于测量材料强度。
2. 2. Therotary bending tester was developedby a team of engineers.
   旋转弯曲试验器是由一支工程师团队开发的。
3. 3. The rotary bending tester is an essentialtool for testing metal pipes.
   旋转弯曲试验器是测试金属管道的必备工具。