动词
中文翻译：脱银
同义词：
['desilvering', 'desulfurizing']
例句：
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1.The old silverware was so tarnished that it needed to be desilverized.
旧银器太脏了，需要去银。
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2.During the desulfurization process, the coal is heated and treated with sulfuric acid to remove impurities.
在脱硫过程中，煤炭被加热并用硫酸处理以去除杂质。
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3. The desilverizing process is essential for maintaining the quality of the metal.
脱银过程对于保持金属质量至关重要。