contact fatigue properties
contact fatigue properties
接触疲劳性能
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The results showed that the alloy coatings can increase significantly the contact fatigue lifetime of alloy cast-iron gears. The microstructure and properties of coatings were also analysed.
试验结果表明：表面合金涂层能显著提高合金铸铁齿轮的接触疲劳寿命，文中同时分析了合金涂层的组织结构和性能。
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