Bierbaum scratch hardness test

例句：

1. 1. The manufacturer conducted a Bierbaum scratch hardness test on the material to determine its durability.
   制造商对材料进行了贝伯氏划痕硬度测试，以确定其耐用性。
2. 2. During the testing, the technician carefully applied the scratch tool to the surface of the sample and recorded the results.
   在测试过程中，技术员小心地将刮刀施加到样品表面并记录结果。
3. 3. The test results were compared with those from other manufacturers to ensure consistency in product quality.
   将测试结果与来自其他制造商的数据进行比较，以确保产品质量的一致性。