对气动凿岩机产生的噪声声源进行了全面的分析研究，介绍了各声源的特性及测试方法。

This paper is based the full analyse and research of noise source of pneumatic drill.

youdao

对气动凿岩机产生的噪声声源进行了全面的分析研究，介绍了各声源的特性及测试方法。

This paper is based the full analyse and research of noise source of pneumatic drill.

youdao