“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	telephone banking telephone communications telephone connection telephone counseling telephone exchange metaphor telephone interpreting Telephone interview telephone network telephone payment telephone problem telephone receiver telephone switching system telephone time signal telephone transmitter telephonograph telephonometer telephonometry telephoto telephotography telephoto lens telephoto objective telepresence teleprompter teleradiography teleran

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