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air-hardening
释义
WordReference Random House Unabridged Dictionary of American English © 2024
air-hard•en•ing
(âr
′
här′dn ing),
USA pronunciation
adj.
[
Metall.
]
Metallurgy
noting any metal, esp. alloy steel, that can be hardened from above its transformation point by cooling in air.
1905–10
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更新时间:2025/9/21 18:19:30