impact testing machine

例句：

1. 1. This impact testingmachine is used to simulate the impact ofa falling object on a surface.
   这个冲击测试机用来模拟落体对表面的冲击。
2. 2.The impact testing machine was used to testthe durability of the new material.
   冲击测试机被用来测试新材料的耐用性。
3. 3. Theimpact testing machine can detect any defects inthe material that may affect its performance.
   冲击测试机可以检测出材料中可能影响其性能的任何缺陷。