pneumatic rock drill

常见例句

This paper designed a new type of muffler for pneumatic rock drill with the theory of impedance.
利用阻抗消声原理为气动凿岩机设计了一种新型的消声罩。
Finally, based on the theories and methods presented, a new independently-rotated valveless pneumatic rock drill was designed.
最后，以本文提供的理论与方法，设计出了一台新型无阀气动独立回转凿岩机。
This paper analysed the noise characteristic of pneumatic rock drill stell. Introducing the harness method of pneumatic rock drill stell noise.
对气动凿岩机钎杆产生的噪声特性进行了分析研究，介绍了钎杆噪声的治理方法。