对挤条产品有侧压强度的测试，堆积强度测试和耐磨测试。

For extrudates there are side crushing strength tests, bulk crushing strength tests, abrasion tests.

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进一步的台架测试结果表明，排气阀在测试过程中表现出了优异的密封性和耐磨性，完全满足发动机的性能要求。

Result of the engine platform test showed that the valve had excellent air-tightness and wear-resistant properties, so could successfully satisfy requirements of the engine.

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通过力学性能和耐磨性能测试、金相组织观察和ESEM形貌分析，研究了氮含量对低碳高铬铸铁性能的影响。

The effects of nitrogen on the properties of low carbon high chromium cast iron were studied by mechanical property and wear resistance test, and metallograph analysis using OM and ESEM.

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