Crystalline polymers usually are more resistant to organic solvents and have good fatigue and wear-resistant properties.
结晶质聚合物通常多能抵御有机溶剂并具有良好的抗疲劳和磨损特性。
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.
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。
The microstructure and mechanical properties of a new type wear-resistant white cast iron with the boride as wear-resistant phase were investigated.
研究以硼化物为耐磨相的新型耐磨白口铸铁的组织特点与力学性能。
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