英语词汇“high-speed steel”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	high-speed steel
释义	high-speed steel noun : an alloy tool steel which when heat-treated retains much of its hardness and toughness at red heat thus enabling tools made of it to cut at high speeds even though red-hot through friction
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