heat-treat

v.tr.（及物動(dòng)詞）
heat-.treat.ed,heat-.treat.ing,heat-.treats
To treat (metal, for example) by alternate heating and cooling in order to produce desired characteristics, such as increased hardness; temper.
對…進(jìn)行熱處理：對某種物質(zhì)（例如金屬）進(jìn)行冷熱相間的處理，以期產(chǎn)生所希望的特性，比如提高硬度；使回火

【引伸】
heat treater
n.（名詞）
heat treatment
n.（名詞）