- bottom of hole
- hole bottom region
- 钻孔 drill; bore; drill hole perf ...
- 底 bottom; base
- 钻孔底部 borehole bottom; boreholebottom; foot of hole; footofhole
- 钻孔底扩大 hole springing
- 在钻孔底座上打碎岩心 chopping
- 孔底 bottom hole; face of hole; hole foe; toe of hole
- 多孔底 perforated bottom; perforatedbottom
- 孔底的 downhole
- 有孔底 perforated bottom
- 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
- 鼻孔底过宽 widened nasal floor
- 鼻孔底缺裂 openning of nasal floor
- 鼻孔底狭小 narrowed nasal floor
- 冲孔底板 bolster
- 穿孔底板 perforated bottom
- 穿孔底壁 perforation plate
- 多孔底钻进 group drilling
- 孔底定向 bottomhole orientation
- 孔底发动机 downhole motor
- 孔底封隔器 bottomhole packer
- 孔底记录器 downhole recorder
- 孔底扩大器 underreamer
- 孔底起爆 bottom initiation; bottom priming
- 孔底压力 bottom-hole pressure
- 孔底压力计 hole bottom pressure gauge
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