pneumatic rock drill

基本解释

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.
最後，以本文提供的理論與方法，設計出了一台新型無閥氣動獨立廻轉鑿巖機。
This paper analysed the noise characteristic of pneumatic rock drill stell. Introducing the harness method of pneumatic rock drill stell noise.
對氣動鑿巖機釺杆産生的噪聲特性進行了分析研究，介紹了釺杆噪聲的治理方法。