work hardening
plural of trivia
plural of bee in one's bonnet
(Britain) A person employed to collect refuse from people's homes and take it to be processed.
(metallurgy) The repeated plastic deformation of a material, causing a permanent distortion of its crystal structure, and an increase in its strength
技術者は複数回の冷間鍛造の後、鋼に著しい加工硬化が生じているのを確認した。
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DiQt
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