On the basis of noise impact assessment, the sound insulation enclosure of the shaper and the suspended absorber in room were used.The noise pollution of the shaper has been reduced obviously.

• 在噪声环境影响评价基础上，采取为成型机加隔声罩和在厂房内悬挂空间吸声体的方法，有效控制了成型机的噪声污染。