风动凿岩机 meaning in English
air hammer drill
air sinker
percussion rock drill
pneumatic excavator
pneumatic hammer-drill
pneumatic rock drill
Examples
- Piston air drill
活塞式风动凿岩机 - Pneumatic rock drill
风动凿岩机 - Taking into consideration the weak points of mufflers of the present rock drills and by analyzing the working characteristic and the noise mechanism , the author has put forward the method to control and reduce the noise , and trial - produced more effective and practical device of mufflers
摘要针对现有风动凿岩机消声器的缺点，从凿岩机的工作特性和噪声机理分析入手，提出降低噪声的控制方法，并研制高效实用的排气消声装置。