主要防治方法为：根据噪音的性质来预防。主要措施是吸音，一般采用隔音墙等

The main control methods are: to prevent the nature of the noise. The main measure is the sound absorption, the general noise walls, etc., in order to prevent the spread to outside the factory, the use of plant walls and green belt.

The main prevention methods are: according to the nature of noise prevention. The main measures are sound absorption, generally using soundproofing walls, etc., in order to prevent the spread to the factory outside, the use of more factory walls and green belt.

The main prevention and control methods are: according to the nature of noise to prevent. The main measures are sound absorption, generally using sound insulation walls, etc. in order to prevent the spread to the outside of the plant, factory walls and green belts are often used.<br>