flue gas的用法和樣例：
例句
- He does not know how to make use of this waste gas.
他不知如何利用這種廢氣。 - Cars pollute the air in the form of waste gas.
汽車以廢氣的形式污染空氣。 - The emissions in the flue gas shall comply with EU directives.
煙氣散發物應符合歐盟指標。 - Several flue gas desulphurization technologies are introduced.
介紹幾種典型的煙氣脫硫工藝。
