ultrapure water的用法和樣例：
例句
- Why do we need High Purity Water for cleaning and rinsing?
為什么要用超純水作清洗和沖洗？ - Someone can find some clues to the production process of polishing mixed bed ion exchange resins for electron-level ultrapure water were given in this paper.
對電子工業(yè)中制備超純水的精制混床離子交換樹(shù)脂的生產(chǎn)工藝進(jìn)行了分析與探討，提供了一些思考。
