-
1.The engineer used the hardness-testing device to measure the material's hardness.
工程师使用硬度测试设备来测量材料的硬度。
-
2.The manufacturer of this hardness-testing device has been praised for its high accuracy.
这款硬度测试设备的制造商因其高精度而受到赞扬。
-
3. The hardness-testing device is essential for ensuring the quality of the products we produce.
硬度测试设备对于我们生产的产品的质量至关重要。