nano silver powder的用法和樣例：
例句
- The aluminum film retains its high polish much longer than does silver, and it can be repolished, whereas silver can not.
鋁膜保持高度的光潔的時(shí)間比銀粉長(cháng)多了，而且鋁膜可以再次磨光，而銀粉層卻不行。 - The bright nanometer Ag powder is one important type of the precious metal powder materials.
納米光亮銀粉是貴金屬粉體材料的重要品種之一。
