An analysis on the fan noise pollution in paper mill and its control;
纸厂风机噪声污染分析与控制方法
Transformer substation noise pollution assessment and its control;
变电站环境噪声评价与防治
One approach to reducing noise of automobile rear axle gear assembling;
一种降低汽车后桥装配中齿轮噪声的途径
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