短語詞組短語jack engine hammer 氣錘jack -hammer e 手持式風(fēng)鉆jack hammer drill 手持式鑿巖機;手提錘鉆pneumatic jack hammer 氣動錘shocking jack hammer 沖擊式鑿巖機hydraulic jack hammer 液壓鑿巖機motor jack hammer 內(nèi)燃鑿巖機electric jack hammer 電動鑿巖機 返回 jack hammer