environmentalnoise相关论文
The main projects and development status of noise forecasting and controlling on working face in coa
...
为了有效地控制城市噪声污染的程度和，便于城市环境噪声管理和促进噪声治理，城市区域环境噪声适用区卉分（以下简称噪声区划）势在必行，本......
