短語詞組短語jack engine hammer 氣鎚jack -hammer e 手持式風(fēng)鑽jack hammer drill 手持式鑿巖機(jī);手提鎚鑽pneumatic jack hammer 氣動(dòng)鎚shocking jack hammer 沖擊式鑿巖機(jī)hydraulic jack hammer 液壓鑿巖機(jī)motor jack hammer 內(nèi)燃鑿巖機(jī)electric jack hammer 電動(dòng)鑿巖機(jī) 返回 jack hammer