“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	fruit products fruit pruning machine fruit quality and safety fruit ripening and after-ripening fruits fruits and nuts pickup machine fruits and vegetables production structure fruit set fruit setting percentage fruit shape index fruits hardness tester fruit soften fruit storage fruit tea fruit tree fruit tree asexual hybridization breeding fruit tree clonal rootstock fruit tree container seedling fruit tree cross breeding fruit tree cultivation system fruit tree culture fruit tree intermediate stock fruit tree introduction fruit tree planting density fruit tree planting technique

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