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natural aging
释义
natural aging
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工学
时效
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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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seed fern
seed fibers
seed-field model
seed fill algorithm
seed garder
seed germination accelerating
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seed industry policy
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seeding devices of electric heating
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Seediq language
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seedless fruit
seedless rotating crucible growth method
seedling
seedling bank
seedling breeding of crab
seedling breeding of Litopenaeus vannamei
seedling breeding of Portunus trituberculatus
seedling breeding of shrimp
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