时效
ageing，aging，maturing◇奥氏体时效(处理)*，常温时效natural［cold］ageing，长期时效*，二级［段］时效two-steps ageing，高温短时时效*，过时效*，合金时效alloy ageing，间断［分级］时效interrupted ageing，冷时效cold ageing，两段时效*，炉中时效oven aging，热浴淬火时效hot-bath quench ageing，人工．时效artificial ageing，完全时效full aging，无时效(的)non-ageing，延缓时效delayed aging，自然时效*
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