“Ac4”的概念、定义、翻译、参考文献-科学参考

单词	Ac4
释义	Ac4 (Ac₄) ^METALLURGY The temperature at which delta iron is formed from gamma iron upon heating a steel.
随便看	heliophobe heliophobia heliophyllite heliophyte Heliornithidae helioscope helioseismology heliosphere heliostat heliotaxis heliotrope heliotropic wind heliotropin heliotropism heliotype heliox Heliozoia heliozooid helipad heliport helitron helium helium-3 helium-3 maser helium-4

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