“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	livestock breeding livestock breeding policy livestock carrier livestock drinking radius livestock drinking water hygiene livestock effective temperature livestock environment hygiology livestock ethogram livestock farm area quantities livestock fertilization livestock frostbite livestock gastric motility livestock group structure livestock housing livestock hysteria livestock intestinal absorption livestock intestinal motility livestock manure livestock meat nutrition livestock posture livestock & poultry non-point source pollution livestock reproduction Livestock Science livestock spray bar livestock toxicosis by drunken horse grass

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