【运输】锤击工具

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。

percussive

pressure-fluid drive percussive tool, portable with pressure-fluid drive

percussive tool, portable using centrifugal impact elements

percussive tool, portable with electric drive

exhausting dust in the case of power-driven, portabel percussive tools

percussive welding

handles for power-driven, portable percussive tools

noise damping of power-driven, portable percussive tools