“primary standard machine of vickers hardness”的概念、定义、翻译、参考文献-科学参考

单词	primary standard machine of vickers hardness
释义	primary standard machine of vickers hardness Encyclopedia 工学硬度计量技术释 primary standard machine of vickers hardness维氏硬度基准装置用来复现和保存维氏硬度量值单位，用作统一中国维氏硬度值的最高依据的装置。由中国计量行政部门批准建立。
随便看	usufruct usufruct of natural resources Usulután US Unified Tri-service Cognitive Performance Assessment Battery usury Usu Shi US-USSR Leaders Summit Meeting in Geneva Usu tatar U.S. Wheat Associates UT Utah Museum of Fine Arts Utah State U Tak Uta Monogatari UTAUT UTC UTC-PAB UTD uterine artery uterine body uterine branch uterine cervix uterine cycle uterine extremity uterine gland

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