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词汇 air-hardening
释义

Definition of air-hardening in English:

air-hardening

adjective
Metallurgy
  • Designating a substance which hardens on exposure to air, especially steel which was cooled by a blast of air rather than by quenching during manufacture; relating to or characteristic of such a substance.

Origin

Early 20th century; earliest use found in Journal of the Franklin Institute.

Definition of air-hardening in US English:

air-hardening

adjective
Metallurgy
  • Designating a substance which hardens on exposure to air, especially steel which was cooled by a blast of air rather than by quenching during manufacture; relating to or characteristic of such a substance.

Origin

Early 20th century; earliest use found in Journal of the Franklin Institute.

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