The degree of crystallinity can be increased by annealing in an inert atmosphere. 結晶度可通過在惰性氣體中的退火處理來提高。
In the process known as annealing , we heat the steel above the critical temperature and permit it to cool very slowly. 在通常所說的退火的熱處理過程中，我們把鋼加熱到臨界溫度以上，再讓它慢慢冷卻。
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