No abnormity was found in the metallographical analysis and hardness test.
金相和硬度分析未发现明显异常组织和硬度分布。
The estimate of grain size is the important base of metallographical analysis.
晶粒度估算是金属性能分析的重要基础。
The geometrical characteristics analysis of grain is the important base of metallographical analysis.
晶粒的几何特征度量是金属性能分析的重要基础。
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