- electric drilling
- 电钻: electrodrill; electric drill ...
- 孔: hole; opening; aperture
- 电钻；钻孔机: drill
- 电钻: [机械工程] electrodrill; electric drill; electrical drill◇电钻机 electrical drilling machine; 电钻具 electrodrill
- 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 hole2.(为了装饰或识别而打孔) perforate3.(用钻钻的孔) borehole; solid boring; bouche4.(钻孔的一种动作和方法) boring; punching◇钻孔工 drillman; 钻孔机 drilling machine
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