The authors studied the structural design and the working principle of two new types of water-saving percussion tools, water-saving hydro percussive tools and pneumatic steel ball percussion tools.
The authors studied the structural design and the working principle of two new types of water-saving percussion tools, water-saving hydro percussive tools and pneumatic steel ball percussion tools.
从分析干旱缺水地区节水型冲击器的设计思路出发，对两种新型节水冲击器―风动钢球冲击器和液动冲击器的结构设计、工作原理进行了研究。