gas sweetening的用法和樣例：
例句
- Zinc ferrite prepared by coprecipitation was identified as a novel desulfurization sorbent for hot coal gas.
以共沉澱法製備的鐵酸鋅作為脫硫劑的活性組分製備了一種新型的高溫煤氣脫硫劑。 - When flux is removed from charge,the desulphurization of gas increases,but sulphurization of iron ore has few changes.
爐料取消熔劑后煤氣脫硫增加，而礦石吸硫量變化不大。
