Annealing

(noun.) hardening something by heat treatment.

艾德琳校对

• The steel for the manufacture of dies is carefully selected, forged at a high heat into the rough die, softened by careful annealing, and then handed over to the engraver. 佚名. 神奇的知识之书.
• In _annealing_ and _tempering_, electricity has also been employed as a means of heating (see patent to Shaw, No. 211,938, February 4, 1879). Edward W. Byrn. 十九世纪发明进展.
• As it is impossible to roll perfectly true, it is necessary to draw these strips, after being softened by annealing. 佚名. 神奇的知识之书.
• The final boring takes place after a second annealing. 佚名. 神奇的知识之书.
• Welding by Electricity, and Tempering and Annealing. 威廉·亨利·杜利特. 世纪发明.

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