金(jin)屬硬(ying)度(du)(du)對(dui)照表（布氏(shi)硬(ying)度(du)(du)HB、洛(luo)氏(shi)硬(ying)度(du)(du)HRC、肖(xiao)氏(shi)硬(ying)度(du)(du)HS、維氏(shi)硬(ying)度(du)(du)HV）互換對(dui)照表


硬度.jpg