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短语
base metal
释义
base metal
【冶金学】
贱金属,普通金属(如铜、铁、锡、铅、锌)[参较 noble metal, precious metal]
(被焊接、电镀或切割的)母体金属
(合金的)基底金属,基体金属
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spell ... out
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spelters
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speltz
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更新时间:2026/7/11 13:53:15