单词 | 灰皿 |
释义 | DEFINITIVE EXAMPLES 权威例句〔cupel〕A porous cup, often made of bone ash, used in assaying to separate precious metals from base elements such as lead.灰皿:一种多孔杯,通常用骨类制成,在检验中把贵重金属从低劣物质如铝中分离出来美国传统〔cupel〕To assay or separate from base metals in a cupel.灰吹,用灰皿提炼:在灰皿中检验或把…从低劣物质中分离出来美国传统 |
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