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自然时效
释义
自然时效
Encyclopedia
工学
时效
释
natural aging
自然时效
通过把机械零件曝露于室外自然环境下,经过长时间风吹、日晒、雨淋和季节变化,给零件造成多次反复的温度应力过载,促使残余应力发生释放而使尺寸获得稳定的方法。是古老的时效方法。
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orientation of a surface
orientation of reference ellipsoid
orientation parameter
orientation phase
orientation polarization
orientation-preserving
orientation-preserving automorphism
orientation-preserving isomorphism
orientation-preserving mapping
orientation quantization
orientation reaction
orientation-reversing
orientation-reversing chain
orientation-reversing loop
orientation-reversing mapping
orientation selectivity
orientation sheaf
orientation star
orientation state structure of polymers
orientation sub
orientation telesthesia
orientation variable
oriented
oriented area
oriented atlas
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