CO2 purification

• 二氧化碳提纯

CO2 purification的用法和样例：

例句

1. Students are doing an experiment on crude salt purification.
   学生们在做粗盐提纯实验。
2. The purification of hexafluoropropylene oxide was also summarized.
   此外对六氟环氧丙烷的分离提纯工艺也作了概述。