The test results shows that there is a linear relationship between Brinell Hardness and the machinability of cast iron with homogeneous microstructure or tiny carbides.
经测试发现，铸铁的组织均匀和碳化物细小时，其布氏硬度与机械加工性能之间呈线性关系。
The test results shows that there is a linear relationship between Brinell Hardness and the machinability of cast iron with homogeneous microstructure or tiny carbides.
经测试发现，铸铁的组织均匀和碳化物细小时，其布氏硬度与机械加工性能之间呈线性关系。
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