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翻译
  • hard lead

    • 英 [hɑrd li:d]
    • 美 [hɑː(r)d lid]

    释义

    • 硬铅,铅锌合金; 硬钻
  • 英英释义

    Noun

    • 1. a lead alloy that contains about 5% antimony
    • 2. unrefined lead that is hard because of the impurities it contains
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  • 行业词典

    • 冶金学

      硬铅   又称 :硬铅(regulus lead)