校准用的钻石牌硬度块（标准块）可以检定钻石硬度计工作时的误差是否在国际标准中规定的范围内。每个硬度块上均刻有序列号，可保证其国际标准的追溯性。硬度标准块均采用优质材料制成，可保证硬度值的可靠性和稳定性。
随机里氏硬度块 HLD
标准硬度块 Standard hardness block ; standard block of hardness
硬度块的均匀度 uniformity of Rockwell hardness blocks
维氏硬度块的均匀度 uniformity of Vickers hardness blocks
肖氏硬度块的均匀度 uniformity of shore hardness blocks
里氏硬度块的均匀度 uniformity of Leeb hardness blocks
硬度块的稳定性 stability of hardness blocks
韦氏硬度块的均匀度 uniformity of Webster hardness blocks
标准洛氏硬度块 Standardized blocks of Rockwell hardness
用户购买我公司标准硬度块，在运输路途中撞伤，请及时和我公司联系。我公司负责反修。
Customers to purchase our standard hardness blocks, hit the road in the transport, please contact me promptly. I am responsible for anti-revisionism.
早在1984年我厂元老况水根研发的标准显微硬度块，经有关专家鉴定，各项指标均达到国际水平。
As early as 1984, the status of our plant veteran developed standards Shuigen microhardness block, by the experts, the indicators have reached international standards.
最后从结构、成分、颜色、透明度、硬度、韧度及块度等对南郑蛇纹石玉进行了客观分析及质量评价，并对其开发前景进行了展望。
Last, Nanzheng Serpentine's quality evaluation was infected by it's structure, component, color, transparence, hardness, resilience and size and it's the foreground of developing was prospected.
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