ultra-pure

超高纯

Online monitoring for ultra pure water 超纯水的在线监测

Keywords ultra pure ferritic stainless steel; 超纯铁素体不锈钢;

It was pure luck that he was home when we called. 非常幸运，我们打电话时他在家里。

Guide for Ultra Pure Water Used in the Electronics and Semiconductor Industry 电子和半导体工业中使用的超纯净水指南

I have the pure heart of a newborn baby. 我有一颗赤子之心。