“Brinell hardness”的概念、定义、翻译、参考文献-科学参考

单词	Brinell hardness
释义	Brinell hardness Encyclopedia 工学硬度计量释 Brinell hardness布氏硬度用一定直径的硬质合金球，以规定的负荷压入试样表面，经规定的保持时间后卸除负荷，测量试样压痕的表面积，所计算出的单位压痕表面积的试验力。
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