受化学或热腐蚀严重环境的金属表面。
The coating can be used on metal surfaces in the environment with severe chemical or heat corrosion.
此外，在其他的转速下（2000、3000以及5000转每分钟），腐蚀速率受金属表面腐蚀产物的影响。
Inadditions, in the other rotations speed (2000, 3000 and 5000 rpm), the CR wasaffected by the corrosion products formed on metallic surface.
这些曲线是确定受腐蚀金属机件或构件疲劳日历寿命的依据。
Fatigue damage cumulative rule after calendar corrosive environment is crucial for determining calendar life of aircraft structure.
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