英语词汇“flame hardening”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	flame hardening
释义	flame hardening flame hardening n (General Engineering) engineering the surface hardening of ferrous metals by heating the metal with an oxyacetylene flame followed by rapid cooling flame hardening flame hardening [′flām ‚härd·ən·iŋ] (metallurgy) A method for local surface hardening of steel by passing an oxyacetylene or similar flame over the work at a predetermined rate.
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