percussion drilling信息详情
冲击钻探，冲魂；冲唤钻眼，冲魂井
percussion───n.[临床]叩诊；振动；碰撞；敲打乐器；打击乐器组
drilling───n.钻孔；训练，教练；演练；v.钻孔；训练（drill的ing形式）
percussion meaning───打击意义
percussion family───打击乐器家族
percussion massager───叩诊按摩器
percussion cap───n.雷管; 火帽；雷管；火帽
percussion gun───冲击枪
drilling down───向地下钻；深度探讨
crowner drilling───冠钻
drilling replaced percussion drilling.───钻探取代了冲击钻探。
For a long time, they used percussion drilling - which basically means they hammered away at the ground to get as deep as they could get.───长时间里他们用冲击钻井——基本上就是不停地砸地面，直到砸不动。
Hydraulic rotary-percussion drilling is one of five important drilling techniques recently. Itstechnique nucleus is hydro-percussive tools.───五大钻探技术之一的液动冲击回转钻探的技术核心是液动冲击器。
For a long time, they used percussion drilling - which basically means they hammered away at the ground to get as deep as they could get.───很长时间里他们用冲击钻井——基本上就是不停地砸地面，直到砸不动。
Study of A Hydraulic-Pulse-Percussion Drilling Tool and Its Trial───水力脉动冲击钻井工具初步研究与试验
Establishment and Calculation of the Model of Drill String Vertical Vibration during Percussion Drilling───冲旋钻井中钻柱纵向振动模型的建立与求解方法
Construction method of percussion drilling hole and the treatment of its difficulties───冲击钻成孔的施工方法及难点处理
The Applications of DTH-Percussion Drilling Technique in Foundation Grouting───潜孔冲击钻进技术在基础灌浆工程中的应用
Effects of Drilling Conditions on Crushing Rocks while Rotary Percussion Drilling───旋冲钻井参数对破岩效率的影响研究
Rotary percussion drilling tool may solve the problem of low rate of penetration and short service life of drilling bit in hard-brash formations.