hardness measurement造句

Bonded abrasives hardness measurement by sand blasting

Uncertainty evaluation of metal material Vickers hardness measurement

This failure analysis was performed by using macro check, micrography and hardness measurement.

That degree of hardness accounts to be applicable to the black metals and have the color metals with the degree of hardness measurement of the nonmetal material.

Rubbers-Determination of crystallization effects by hardness measurements