Indentation methods of hardness testing comprise two principal groups.
压痕法测定硬度包括两大类。
This paper presents a micro-hardness testing method, namely depth-hardness testing with nanometer scale.
阐述了一种纳米尺度下测试材料显微硬度的试验方法——深度硬度试验法。
The purpose is to present a common theory and method of shaft frame hardness testing and data processing.
旨在提供井架强度测试及其数据处理的一般理论和方法。
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