ultra-high purity

例句：

1. 1. Thewater in this bottle is ultra-highpurity.
   这个瓶子里的水是超纯的。
2. 2. Ultra-high purity wateris used in many industrial processes.
   超纯水在许多工业过程中被使用。
3. 3. Theresearch team aims to achieve ultra-highpurity in their experiments.
   研究团队的目标是在其实验中达到超高纯度。