Correct

废气

/ fèiqì / 
Strokes

Definition

exhaust gas/industrial waste gas/steam

Example

As a Noun

waste gas/steam; exhaust (gas/fumes)

1
Qìchē
汽车
fèiqì
废气

car exhaust

2
Fèiqì
废气
zōnghé
综合
lìyòng
利用

multipurpose use of waste gas/steam

3
Fèiqì
废气
páifàng
排放

waste-gas exhaust

4
Fèiqì
废气
jìnghuà
净化

exhaust purification

5
Fèiqì
废气
chǔlǐ
处理

waste gas treatment