水轮机叶片有较大的工作应力、热影响区的晶粒粗大以及水介质的腐蚀性是产生机械腐蚀疲劳汽蚀的重要原因。
The larger tension stress in the hydraulic turbine blades, grain coarsening in the heat-affected zone and the causticity of fluid medium are the major causes of cavitation erosion.
还非常适合在受振动、机械应力和强烈腐蚀的环境中应用。
They are also well-suited for applications experiencing vibration, mechanical stress and strong erosive forces.
工程师需要了解各种材料的机械强度和耐腐蚀的能力。
Engineers need an understanding of the mechanical strength and corrosion resistance of various materials.
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