单词	nefs
释义	同nef
随便看	hardness, as of heart hardness-- brinell hardness; brinell hardness contour of quenched steel bars hardness control hardness conversion hardness conversion table hardness curve hardness-curve hardnesses hardness factor hardness gauge hardness; indentation hardness index by standard drum test hardness-- knoop hardness; knoop hardness meter hardness; mohs hardness-- mohs scale of hardness; mohs scale of hardness number hardness of film hardness of look hardness of radiation hardness (of water)