旋转锤 meaning in English

revolving hammer

Hand - held portable power tools - measurement of vibrations at the handle - part 3 : rock drills and rotary hammers
便携式手提动力工具.手柄振动的测量.第3部分:岩石钻头和旋转锤
Hand - held portable power tools . measurement of vibrations at the handle . part 3 : rock drills and rotary hammers
便携式手持动力工具.手柄部位振动量的测量.第3部分:岩石钻头和旋转锤