“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	emission microscope emission nebula emission nebulosity emission of black hole emission operator emission performance standard for stationary source emission point emission probability emission process emission sources emission spectrographic analysis emission-spectroscopical emission spectroscopy emission spectrum emission standard for industrial enterprises noise at boundary emission standard for ocmmunity noise emission standard of air pollutants for fossil-fired power plant emission standard of environment noise for boundary of construction site emission standards and measurement methods of railway noise on the boundary alongside railway line emission standards for stationary sources emission trading scheme emission trading system emission value emission variable emissive

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