青年中文percussion drilling的意思
percussion drilling中文翻譯：
沖擊鉆探，沖魂；沖喚鉆眼，沖魂井
percussion───n.[臨床]叩診；振動；碰撞；敲打樂器；打擊樂器組
drilling───n.鉆孔；訓練，教練；演練；v.鉆孔；訓練（drill的ing形式）
percussion meaning───打擊意義
percussion family───打擊樂器家族
percussion massager───叩診按摩器
percussion cap───n.雷管; 火帽；雷管；火帽
percussion gun───沖擊槍
drilling down───向地下鉆；深度探討
crowner drilling───冠鉆
drilling replaced percussion drilling.───鉆探取代了沖擊鉆探。
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.───長時間里他們用沖擊鉆井——基本上就是不停地砸地面，直到砸不動。
Hydraulic rotary-percussion drilling is one of five important drilling techniques recently. Itstechnique nucleus is hydro-percussive tools.───五大鉆探技術之一的液動沖擊回轉鉆探的技術核心是液動沖擊器。
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.───很長時間里他們用沖擊鉆井——基本上就是不停地砸地面，直到砸不動。
Study of A Hydraulic-Pulse-Percussion Drilling Tool and Its Trial───水力脈動沖擊鉆井工具初步研究與試驗
Establishment and Calculation of the Model of Drill String Vertical Vibration during Percussion Drilling───沖旋鉆井中鉆柱縱向振動模型的建立與求解方法
Construction method of percussion drilling hole and the treatment of its difficulties───沖擊鉆成孔的施工方法及難點處理
The Applications of DTH-Percussion Drilling Technique in Foundation Grouting───潛孔沖擊鉆進技術在基礎灌漿工程中的應用
Effects of Drilling Conditions on Crushing Rocks while Rotary Percussion Drilling───旋沖鉆井參數對破巖效率的影響研究
Rotary percussion drilling tool may solve the problem of low rate of penetration and short service life of drilling bit in hard-brash formations.