英语词汇“supercobalt drill”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	supercobalt drill
释义	supercobalt drill supercobalt drill [¦sü·pər′kō‚bȯlt ‚dril] (design engineering) A drill made of 8% cobalt highspeed steel; used for drilling work-hardened stainless steels, silicon chrome, and certain chrome-nickel alloy steels.
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