矿井钻孔器的英文

• mine borer

• 矿井:    mine; pit; grube; groove; sh ...
• 钻孔:    drill; bore; drill hole perf ...
• 器:    implement; utensil; ware
• 钻孔器:    bit brace; bitbrace; borer; boring cutter; brace bit; broach; burr; cork drill; drill ponch; gadder; hole digger; hole-digger; perforator; piercer; reamer; sinker; terebra; trepan; wimble
• 穿孔器, 钻孔器:    cork-borer