microhardness tester

例句：

1. 1. This microhardness tester is used to measure the hardnessof materials.
   这个微硬度测试器用于测量材料的硬度。
2. 2. The manufacturer claims that theirmicrohardness tester is the bestin the market.
   制造商声称他们的微硬度测试器是市场上最好的。
3. 3. Themicrohardness testerwas used to determine the qualityof the metal parts.
   微硬度测试器被用来确定金属零件的质量。