hand-held drill 手提式钻孔机 ; 手持式风钻 ; 手操器

hand-held rock drill [矿业] [建] 手持式凿岩机

hand-held air drill 手持式风钻

hand held electric drill 手持式电钻 ; 手提电钻

Hand-held Electric Drill 手电钻

hand held hydraulic drill 手持液压钻机

hand-held hammer drill 手持式冲击凿岩机

hand-held hammering drill 手持式冲击钻 ; 手持式打击钻

hand held rock drill 手持式凿岩机