电传机凿孔器 teletypewriter perforator

凿沟机 channeler ; [机] channeling machine

手持式凿岩机 [矿业] [建] hand-held rock drill ; portable rock drill ; handhelddrill

凿榫机 mortising machine ; mortiser ; paring machines

凿孔机 perforator ; gadder ; Mortising machine ; punch

复凿孔机 reperforator ; receiving perforator ; reproducing punch

凿井机 miser ; sinking machine

架式凿岩机 mounted drill ; waughammer ; drifter