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单词 high-speed steel
释义

Definition of high-speed steel in English:

high-speed steel

noun
  • Any of various heat-treated steel alloys of great toughness and hardness, used in tools for high-speed cutting and drilling (especially those in which the components may become red hot from friction); frequently attributive.

Origin

Early 20th century.

 
 

Definition of high-speed steel in US English:

high-speed steel

noun
  • Any of various heat-treated steel alloys of great toughness and hardness, used in tools for high-speed cutting and drilling (especially those in which the components may become red hot from friction); frequently attributive.

Origin

Early 20th century.

 
 
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更新时间:2024/11/11 1:31:41