| 单词 | precipitation-hardened |
| 释义 | > as lemmasprecipitation-hardened precipitation-hardened adj. Metallurgy treated or hardened by precipitation hardening. ΚΠ 1933 Brit. Patent 402,742 2/1 The method of making an alloy.., which consists in subjecting a precipitation-hardened starting material or mass..to a nitrogenising treatment. 1997 Science 29 Aug. 1183 Precipitation-hardened aluminium alloys..are the backbone of many airframes. < as lemmas |
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