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单词 air-harden
释义

Definition of air-harden in English:

air-harden

verb
Metallurgy
  • 1with object To harden (especially steel) by allowing it to cool or stand in air.

  • 2no object To harden through exposure to air.

Origin

1930s; earliest use found in Engineering.

 
 

Definition of air-harden in US English:

air-harden

verb
Metallurgy
  • 1with object To harden (especially steel) by allowing it to cool or stand in air.

  • 2no object To harden through exposure to air.

Origin

1930s; earliest use found in Engineering.

 
 
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更新时间:2025/1/31 14:47:51