英语翻译白铜则是一种铜锌合金,古代的外国也称之为中国银.藏银纯度不高,所以杂质比较多,一般饰品的黑色是特意在加工时留下的.主要成分是草灰等
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英语翻译白铜则是一种铜锌合金,古代的外国也称之为中国银.藏银纯度不高,所以杂质比较多,一般饰品的黑色是特意在加工时留下的.主要成分是草灰等
英语翻译
白铜则是一种铜锌合金,古代的外国也称之为中国银.藏银纯度不高,所以杂质比较多,一般饰品的黑色是特意在加工时留下的.主要成分是草灰等
英语翻译白铜则是一种铜锌合金,古代的外国也称之为中国银.藏银纯度不高,所以杂质比较多,一般饰品的黑色是特意在加工时留下的.主要成分是草灰等
And white copper is one kind of copper-zinc alloys.It is also called Chinese silver in ancient times abroad.The fineness of Tibetan silver is not high.There are some inpurities in it.The black colour is especially made in common ornaments and its main ingredients is plant ash.
Cupronickel is a kind of copper zinc alloy, In the ancient,foreign also called Chinese silver. Tibetan silver's purity is not high,and with more impurity. general adorn article black is specially designed for the processing of main component is left. CaoHui etc