ㄏㄨㄟˊhuíㄏㄨㄛˇhuǒ

  1. 熱處理方法淬火質地低溫加熱調整組織機械性質除去淬火應力使保持一定硬度增加韌性

to temper (iron)​, to flare back, flareback (in a gas burner)​, (of an engine)​ to backfire
revenu (métallurgie)​
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