waste gold plated articles
waste gold plated articles
废弃的镀金物品
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Two new technologies were introduced to extract gold(silver)in one step from waste gold plated articles. The extracting equipment was developed and successfully used for the purpose.
介绍了两种能一次性从废镀金（银）件中提取金（银）的新技术，并用自行研制的高效金银直提设备，应用于不同废镀件的处理。
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