2 多选 The following types of hardness which is through the degree of penetration?
A、A Brinell hardness(HB);
B、B Vickers hardness (HV);
C、 C Rockwell hardness (HR);
D、D Mohs hardness
发布时间：2025-02-27 02:05:21
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答案：A Brinell hardness(HB) ■B Vickers hardness (HV) ■ C Rockwell hardness (HR)
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