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recovery of nonferrous scrap metal
释义
recovery of nonferrous scrap metal
Encyclopedia
工学
有色金属冶金
释
recovery of nonferrous scrap metal
再生有色金属
以废旧金属制品和工业生产过程中的金属废料为原料炼制而成的有色金属及其合金。又称二次有色金属。
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