serious noise pollution

The device solved the defects of traditional spray pyrolysis equipment such as bulky device, lower thermal efficiency, difficulty cleaning, contaminated powder easily, serious noise pollution.

该设备解决了传统喷雾热解设备体积庞大，热效率低，清洗困难，粉体容易被污染，噪音污染严重等问题。

Noise pollution is such a serious problem that it has aroused concerns from the whole society.

噪声污染是个十分严重的问题，已经引起了全社会的关注。

Nevertheless, they all emphasize that pollution of air and water, noise and congestion, and the mechanization of the work process are very real and very serious problems.

然而他们一致强调：水、空气、和噪音污染，交通拥挤，机械性的工作问题的确是很严重的现实问题。