炮眼钻的英文

• blast hole bit
• shothole drill

• 炮眼:    porthole; borehole
• 钻:    drill; auger
• 炮眼钻机:    blasthole drill
• 炮眼钻头:    blast hole bit; blasthole bit; rod bit
• 井下炮眼钻凿:    underground blast hole drilling