干井 干孔 干炮眼 干钻孔 未见矿钻孔

dryhole  detail>>

未见矿钻孔

dry hole  detail>>

干钻孔

[工业] dry hole  detail>>

无矿钻孔

blanket hole  detail>>

找矿钻孔

exploratory test  detail>>

干炮眼

dry hole  detail>>

钻孔，膛孔；炮眼井眼。

bore-hole  detail>>

钻孔

[矿物学] 1.(用尖锐的旋转工具在坚硬的物体上钻穿或钻孔洞) drill; bore; drill hole 2.(为了装饰或识别而打孔) perforate 3.(用...  detail>>

竖直大炮眼的钻孔

toe-to-toe drilling  detail>>

钻孔器；钻孔者

piercer  detail>>

摆钻孔

balance jewel hole  detail>>

侧钻孔

sidetracked hole  detail>>

成钻孔

bohrreihe double set of drill holes  detail>>

电钻孔

electric drilling  detail>>

钉孔, 钻孔

counter sunk  detail>>

露钻孔

e exposed drill holes will not close exposed drill holes will not close  detail>>

内钻孔

internal drilling  detail>>

浅钻孔

shallow hole  detail>>