pneumatic rock drill

基本解釋

This paper designed a new type of muffler for pneumatic rock drill with the theory of impedance.
利用阻抗消聲原理為氣動鑿巖機設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.
最后，以本文提供的理論與方法，設計出了一臺新型無閥氣動獨立回轉(zhuǎn)鑿巖機。
This paper analysed the noise characteristic of pneumatic rock drill stell. Introducing the harness method of pneumatic rock drill stell noise.
對氣動鑿巖機釬桿產(chǎn)生的噪聲特性進行了分析研究，介紹了釬桿噪聲的治理方法。