名词短语
中文翻译：Unknown
同义词：
['1. precious metals recycling']
例句：
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1. The company's focuson precious metals recovery has significantly improvedits profitability.
该公司专注于贵金属回收，显著提高了盈利能力。
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2. The recovery of precious metalsfrom waste is a crucial step in environmentalprotection.
从废物中回收贵金属是环境保护的关键步骤。
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3. The recovery of these precious metalswill require significant investment and expertise.
这些贵金属的回收需要大量的投资和专业知识。