1) percussion-rotary bit
冲旋钻头
1.
Present status and development trend of percussion-rotary bit
冲旋钻头的现状及发展趋势
2) revolving drilling
旋冲钻井
1.
It is con- sidered revolving drilling technique is one of the most effective methods to solve the problem of hard strata drilling in deep well and has good applying prospects.
旋冲钻井技术被认为是解决深井硬地层钻井难题的最有效方法之一,具有良好的应用前景。
3) percussion drilling
冲旋钻井
1.
Simulation of penetration rate of air percussion drilling bit;
冲旋钻井机械钻速仿真研究
4) percussion-rotary drilling
冲旋钻进
5) Rotary bit
旋转钻头
6) left-hand drill
左旋钻头
补充资料：冲小
冲小
冲小 脉学名词。指脉冲细弱。《灵枢·本脏》：“皮薄而脉冲小者，小肠小而短。”
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条