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试验参数选择取决于实验目的和技术指标要求。但是，试验参数选择不当，既达不到预期效果，又会影响对钢材磨损规律的分析，进而影响材质的选择。
The choice of test parameters depends on the purpose of the experiment and the technical specifications. However, the improper selection of the test parameters not only failed to achieve the expected results, but also affected the analysis of the wear rules of steel and further affected the material selection.