释义 |
DictionarySeeBrinell hardness numberSee Johan August Brinell See Johan August BrinellBrinell, Johan August
Brinell, Johan August, Swedish metallurgist, 1849-1925. Brinell hardness number - a number related to the size of the permanent impression made by a ball indenter of specified size pressed into the surface of the material under a specified load.Brinell scale |