a process of improvement in the properties of steel, notably hardening, which occurs after the metal has been quenched from a high temperature.
| 单词 | θ209366 |
| 释义 | society > occupation and work > industry > working with specific materials > working with metal > [noun] > hardening, tempering, or annealing > heating followed by quenching > changes occurring after (1) quench ageing1935 a process of improvement in the properties of steel, notably hardening, which occurs after the metal has been quenched from a high temperature. |
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