炮眼钻头 blastholebit ; rod bit ; [矿业] borehole bit

炮眼钻机 blasthole drill

地震炮眼钻工 doodlebugger

井下炮眼钻凿 underground blast hole drilling

旋转式炮眼钻 rotary shot rig

地震炮眼钻机 doodlebug

露天矿水平炮眼钻机 [矿业] strip-borer drill

旋转式炮眼钻进 rotary blasthole drilling

钻炮眼 blast-hole drilling ; hole drilling