In Russia niello work is known as Tula work.

在俄国,黑金镶嵌制品被称为图拉工艺品.

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After the excess niello is scraped away, the surface is polished.

将多余的黑金刮掉, 再将表面抛光.

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The contrast of the Black niello against the Bright surface produces an attractive decorative effect.

黑色镶嵌与明亮表面的反差产生富有魅力的装饰效果.

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