冲击钻机

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