high purity ultrafine的用法和樣例：
例句
- Ultrafine zircon powder with high purity is a kind of brightening agent in glaze for making high-grade cleaning whiteware.
高純超細鋯英石粉是製造高檔衛生潔具陶瓷所用釉料中的乳濁增白劑。 - The results indicate that using the self-pulverized process, we can obtain a high-purity ultrafine aluminum oxide powder, so, this method has promising application perspectives.
試驗研究表明，採用自粉化工藝，可獲得高純超細氧化鋁粉體，具有廣闊的應用前景。
