| 单词 | air-hardened |
| 释义 | > as lemmasair-hardened air-hardened adj. chiefly Metallurgy (esp. of steel) allowed to harden in air; subjected to an air-hardening process. ΘΚΠ society > occupation and work > materials > derived or manufactured material > metal > metal in specific state or form > [adjective] > tempered or hardened nealed1576 tempered1663 annealed1684 work-hardened1846 attempered1852 air-hardened1877 strain-hardened1914 work-hardened1915 1877 Proc. Royal Soc. 26 133 (caption) Air-hardened wire. 1914 H. Brearley Case-hardening of Steel vi. 72 The surface of the air-hardened steel is less hard than that of water or oil quenched steel. 1995 Syracuse (N. Y.) Herald Jrnl. 13 Aug. (Stars Mag.) 14/5 You put the raw, air-hardened pieces in—carefully, because they're very fragile at that stage. < as lemmas |
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