短语词组短語jack engine hammer 氣鎚jack -hammer e 手持式風鑽jack hammer drill 手持式鑿巖機;手提鎚鑽pneumatic jack hammer 氣動鎚shocking jack hammer 沖擊式鑿巖機hydraulic jack hammer 液壓鑿巖機motor jack hammer 內燃鑿巖機electric jack hammer 電動鑿巖機 返回 jack hammer