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单词 oil-hardening
释义

Definition of oil-hardening in English:

oil-hardening

noun
  • The process of hardening of steel by quenching it in oil.

Origin

Late 19th century; earliest use found in Nature: a weekly journal of science.

Definition of oil-hardening in US English:

oil-hardening

noun
  • The process of hardening of steel by quenching it in oil.

Origin

Late 19th century; earliest use found in Nature: a weekly journal of science.

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更新时间:2025/9/30 22:02:33