下: below; down; under; undernea ...钻: drill; auger下钻: going down; going in; rih: run in hole; run back into the hole; tripping地下钻: underground drilling起下钻: make a trip; round trip下钻具: run in地下钻机: drifter drill for underground地下钻井室: drill room地下钻探: subsurface boring短起下钻: short trip分段下钻: staging the pipe刮拭起下钻: wiper trip过轮下钻: bottom fourth jewel划眼起下钻: wiper trip井下钻进: underground boring井下钻具: down-hole equipment井下钻压: downhole weight on bit; dwob扩眼起下钻: reaming trip秒针轮下钻: bottom third wheel jewel起下钻方式: trimode起下钻杆: pulling and running the drill pipe起下钻具: make a trip起下钻脉冲: tripping pulse起下钻气: trigas起下钻气量: tg