显微压入硬度试验
Microindentation hardness testing
动载压入试验
Dynamic load press-in test
轻压力洛氏硬度试验机
superficial Rockwell hardness tester
球压试验压痕判定方法
How to Identify the Ball-pressure Indentation
外压试验压力系数
External testing pressure coefficient
压痕硬度试验
indentation hardness test
压痕硬度试验机
indentation hardness tester
indentation machine