硬度

• 2 absolute hardness , also call the hardness of pressing
  绝对硬度，亦叫压入硬度。
• Thermoplastics pipes - determination of ring stiffness
  热塑性塑料管.环形硬度的测定
• Rockwell hardness test - calibration of reference blocks
  洛氏硬度试验.基准块的校准
• Conversion of hardness and strength for copper alloys
  铜合金硬度与强度换算值
• Test for hardness of plastics by the ball indentation
  塑料球压痕硬度试验方法
• Ultra hard jaws facilitate fine scribing in workpiece
  高硬度量爪适于工件上的细划线
• Vickers hardness test - verification of testing machines
  维氏硬度试验.试验机的验证
• Test method for hardness testing of cemented carbides
  硬质合金硬度的测试方法
• Ebonite - determination of hardness by means of a durometer
  硬质橡胶硬度的测定