洛氏硬度试验 meaning in Chinese

rockweel hardness test
rockwell hardne test
rockwell hardness test
rockwell scale

Metallic materials - rockwell superficial hardness test
金属表面洛氏硬度试验方法
Test method of rockwell hardness for friction materials
摩擦材料洛氏硬度试验方法
Rockwell hardness test - calibration of reference blocks
洛氏硬度试验.基准块的校准
Rockwell hardness test - verification of testing machines
洛氏硬度试验.试验机的验证
Plastics - determination of hardness by the ball indentation method
塑料洛氏硬度试验方法

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