purification technics的用法和樣例：
例句
- Review On Catalytic Purification Techniques of the Sulfur Dioxide.
二氧化硫的催化凈化技術(shù)。 - The coke oven gas purification processes for choice and technical tentative idea for the further development of gas purification are put forward.
提出了可供選擇的焦爐煤氣凈化工藝流程以及進(jìn)一步發(fā)展煤氣凈化技術(shù)的設想。
