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Hydrogen and CO have both been used for estimation of noble metal surface areas.

?夂?O都已用来测定贵金属的表面积.

辞典例句

It is widely used to separate tungsten, stannum, niobium, other rare metal and noble metal ores.

广泛用于钨 、 锡 、 铌及其它稀有金属和贵金属矿.

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Pyrites often contain several nonferrous metal and noble metal elementS and be possessed of comprehensive utilization.

黄铁矿常含有多种有色金属和贵金属元素,具有综合利用价值.

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Gold is a noble metal.

黄金是一种贵重的金属.

辞典例句

Does the noble metal gold roast a porcelain tooth since silver pole effect is good?

贵金属黄金烤瓷牙打银桩效果好 吗 ?

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Hydrogen and CO both been used for estimation of noble metal surface areas.

夂?O都已用来测定贵金属的表面积.

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