When DTH drilling in high confining pressure, its border condition has changed. So new software need to be developed.
潜孔锤在高围压条件下钻进，边界条件发生了变化，需要开发新的软件。
The optimum design of DTH drilling system and the adoption of drilling technology can be developed based on the data and result.
以上计算和分析的结果，对气动潜孔锤短钻柱系统优化设计和钻井工艺的采用具有实际应用价值。
This paper discusses the rock crushing mechanism of DTH hammer drilling and factor influencing the effect of DTH hammer broken rock.
本文论述了潜孔锤钻进的岩石破碎机理以及影响潜孔锤碎岩效果的因素。
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