“case hardening”的概念、定义、习题解题方法及翻译-物理辞典

单词	case hardening
释义	case hardening The hardening of the surface layer of steel, used for tools and certain mechanical components. The commonest method is to carburize the surface layer by heating the metal in a hydrocarbon or by dipping the red hot metal into molten sodium cyanide. Diffusion of nitrogen into the surface layer to form nitrides is also used
随便看	ether eudiometer eutectic mixture evaporation even-even nucleus even-odd nucleus event horizon evolute exa- excess electron exchange force excimer exciplex excitation exciton exclusion principle exitance exoergic exosphere exothermic exotic atom expansion expansion of the universe expansivity exponent

物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。