Acid fogpollution question has been solved effectively by flocked exhaust system with moving cover board.
采用活动式盖板密封排气系统有效地解决了酸雾污染问题。
2
On several occasions, pollution combined with fog has been so bad that motorists have had to turn on their headlights in the middle of the day.
还有好几次是污染伴随着大雾，糟糕到大中午汽车都得开前灯才行。
3
The insurance plan will not protect against clouds, fog or haze — all frequent occurrences in China's big cities, thanks to high levels of air pollution.