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base metal
Word forms: plural base metals
N-VAR 普通金属,贱金属(如铜、锌、锡和铅等) A base metal is a metal such as copper, zinc, tin, or lead that is not a precious metal. 普通金属,贱金属(如铜、锌、锡和铅等)
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See also: base metal

base metal

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