1.
This system is approved in California for local smog-station installation.
这种系统已通过了加利福尼亚州城市烟雾站的鉴定。
2.
Smog blankets the city.
烟雾笼罩着这个城市。
3.
Smog hung over the city.
烟雾笼罩在城市上空。
4.
Smog hung in the sky (over the city).
（城市）上空烟雾弥漫.
5.
We must abate the smoke nuisance in our big city.
我们一定要消除大城市的烟雾公害。
6.
This smog would blanket the cities for days.
这些烟雾笼罩在城市上空，数日不散。
7.
the smoky atmosphere of an industrial town
工业城市中混有烟雾的空气
8.
The sky over the city was overspread with a heavy smog.
城市上空罩上了一层烟雾。
9.
urBan proBlems such as traffic congestion and smog
诸如交通拥挤和烟雾的城市疑难问题
10.
a smoky industrial town
一个烟雾弥漫的工业城市
11.
The Impact of Vehicle Exhausts on Photochemical Smog in City;
机动车污染物排放对城市光化学烟雾的影响
12.
Research of Spray Dry Decontaminating of MSW Incineration Flue Gas;
城市生活垃圾焚烧喷雾干燥烟气净化研究
13.
What a smoky town this is!
这个城的烟雾真大啊！
14.
Scientists have found out that town fog is a mixture of gas, smoke and tiny drops of water.
科学家已发现，城市的雾是气体、烟和微小水珠的混合物。
15.
Scientists have found out that city fog is a mixture of gas, smoke and tiny drops of water.
科学家以发现城市的雾是气体烟和微小水珠的混合物
16.
Smogbis an unhealthy mixture of smoke and fog in the air of some industrial cities.
是在一些工业城市的空气中烟与雾的混合物，是有害於健康的。
17.
Smog is an unhealthy mixture of smoke and fog in the air of some industrial cities.smog
是在一些工业城市的空气中烟与雾的混合物,是有害于健康的.
18.
The EPA has been cracking down on auto emissions in an attempt to curb the smog in major cities.
环保署一直在治理汽车废气，力图控制大城市的烟雾危害。