core hardness tester

例句：

1. 1. The engineer used the core hardness tester to measure the material's hardness.
   工程师使用核心硬度测试仪来测量材料的硬度。
2. 2. The manufacturer of the core hardness tester is renowned for its high accuracy and reliability.
   该核心硬度测试仪的制造商因其高精度和可靠性而闻名。
3. 3.The core hardness tester was used to determine the optimal processing conditions for the material.
   核心硬度测试仪被用来确定材料的最佳加工条件。