压痕硬度 meaning in English

impression hardness
indentation hardness
penetration hardness
pressure hardness

Test for hardness of plastics by the ball indentation
塑料球压痕硬度试验方法
Standard test method for knoop indentation hardness of glass
玻璃的努氏压痕硬度的标准试验方法
Test method for knoop indentation hardness of ceramic whitewares
卫生陶瓷努氏压痕硬度的试验方法
Method for rapid indentation hardness testing of metallic materials
金属材料压痕硬度快速测试方法
Verification regulation of plastic ball indentation hardness testing machine
塑料球压痕硬度计检定规程

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