It can provide science evidence for testing low strength steel sheets using Leeb hardness tester.

探讨了里氏硬度测试值偏低的原因,对使用里氏硬度计测试低强度钢板硬度提供了科学依据.

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Must have working knowledge of CMM , micro - height , hardness tester, surface gage , calipers, and additional equipment.

必须有关于CMM, 高度测量, 硬度测试, 表面测量,齿轮等设备知识.

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