ultrasonic hardness tester

例句：

1. 1. This ultrasonic hardness tester can quickly and accurately measure the hardness of materials.
   这款超声波硬度测试仪可以快速且准确地测量材料的硬度。
2. 2. The manufacturer claims that their ultrasonic hardness tester is the most accurate in the industry.
   制造商声称他们的超声波硬度测试仪是业内最准确的。
3. 3. The engineer used the ultrasonic hardness tester to determine the quality of the newly welded parts.
   工程师使用超声波硬度测试仪来检测新焊接部分的质量。