片语
portable sample drill手提式取样鉆机
portable sampling drill便携式取样鉆机
portable seismic drill地震轻便鉆机
portable engineering drill轻便工程鉆机
portable electrical drill轻便电鉆
portable dth drill轻型潜孔鉆机
portable dental drill便携式牙鉆
portable rock drill手持式凿巖机
portable electric drill手提式电鉆