pneumatic rock drill

基本解釋

This paper designed a new type of muffler for pneumatic rock drill with the theory of impedance.
利用阻抗消聲原理爲(wèi)氣動鑿巖機(jī)設(shè)計了一種新型的消聲罩。
Finally, based on the theories and methods presented, a new independently-rotated valveless pneumatic rock drill was designed.
最後，以本文提供的理論與方法，設(shè)計出了一臺新型無閥氣動獨(dú)立廻轉(zhuǎn)鑿巖機(jī)。
This paper analysed the noise characteristic of pneumatic rock drill stell. Introducing the harness method of pneumatic rock drill stell noise.
對氣動鑿巖機(jī)釺桿産生的噪聲特性進(jìn)行了分析研究，介紹了釺桿噪聲的治理方法。