A piece of fine wood, one eye also have no, but why can nail a nail in it? It is hard to squeeze into by pressure, hard drilling.
一块好好的木板，上面一个眼也没有，但钉子为什么能钉进去呢？这就是靠压力硬挤进去的，硬钻进去的。
Potter Drilling of California uses jets of superheated fluid to break through granite five times faster than traditional techniques, which don't do well against hard rock types.
加利福尼亚的Potter Drilling5次使用过热液体穿透花岗岩，花费时间比传统工业快很多，不过这种工艺在试用硬质岩石时表现不佳。
Shenzhen, the source of drilling hard Materials Co., Ltd. is a carbide-based products, high-tech enterprises.
深圳市钻源硬质材料有限公司是一家以硬质合金为主产品的高科技企业。
"Well, When running in is not possible, the shut-in procedure is same as normal drilling, no separation of hard and soft shut-in procedures, right?" one guy guessed.
“那么下钻不可能时，也同正常钻井一样不分软、硬关井程序，对吧？”有人猜测道。
Rotary impact drilling is a new petroleum drilling technique, is one of effective methods to increase drilling efficiency in hard formations.
旋冲钻井技术是一项新型的石油钻井工艺技术，是提高硬地层钻井效率的有效方法之一。
Sinter type straight-handle drills: Use for drilling hard and brickle material, such as glass, ceramics, jewellery etc.
烧结直柄钻头：适用于玻璃、陶瓷、宝石等硬脆材料的钻孔。
PDC bits have been used to drill the homogeneous formation from soft to medium-hard, but they are not suitable for drilling in gravel and multi-interbedded formation.
PD C钻头用于软到中硬的均质地层钻进具有钻速高、寿命长等特点，但不适合含砾石地层和软硬交错地层。
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。
Demobilization and mobilization of drilling rig of overseas project is complex system engineering, involving many departments and persons and information as well as hard organization and coordination.
海外项目钻机遣散和动员是一项复杂的系统工程，涉及的部门、人员和资料多，组织协调难度大。
KQC series of air hammers used in gas drilling can solve certain problems, such as lower ROP(Rate of Penetration) and well deviation, which occurred in mud drilling in above medium hard formation.
在油田气体钻井中使用KQC系列空气锤，解决了泥浆钻井在中硬以上地层中钻速慢、易井斜的难题。
For bedrock drilling ordinary hard alloy driller can be adopted for vertical core-drilling with the addition of clear water during rotation. for overburden dry drilling process can be adopted.
基岩钻探方法以采取普通硬质合金清水回转垂直取心钻进，覆盖层采用干钻。
Insert tooth bit applies in every serious geography especially hard rock; it has stable drilling speed and can drill the hardness of rock at 1-6 grades.
镶齿牙轮钻头主要适用于地质较硬的岩层，它钻进速度稳定，可以钻进1-6级地质硬度，适用于各种恶劣的地质环境。
Diamond unitary drills: Use for drilling hard and brickle material, such as glass, ceramics etc. Dia 4-200mm.
整体钻头：适用于玻璃、陶瓷等硬脆材料的钻孔。直径由4- 200毫米。
The results of field tests proved that PDC anchor bit is ideal in mid hard rock drilling.
现场试验结果表明，PDC锚杆钻头是钻进中硬岩层的理想钻头。
The paper describes a waterjet-aided drill which, successfully developed by Changsha Institute of Mining Research, is useful in laboratory and capable of drilling holes both in soft and hard rock.
本文介绍了长沙矿山研究院研制成的一种实验室用并适用于钻凿软至硬岩孔的连续水射流钻机及与其相适应的两种新型水力-刮刀钻头。
The percussive - rotary drilling technology is one of the most effective ways to solve the drilling difficulties in hard rock in recent years. The technology has a good application prospect.
旋冲钻井技术近年来已成为石油钻井界广泛关注的热点研究课题，被认为是解决深井硬地层钻进难题的最有效方法之一，具有良好的应用前景。
Hose bit can be divided into cutter teeth and cone teeth, cone teeth for weathering of soft rock strata, and permafrost, cutter teeth used for drilling hard bedrock.
筒式钻头的切削具可分为截齿和牙轮，截齿筒状钻头用于风化软岩及永冻土地层钻进，牙轮筒式钻头用于硬质基岩钻进。
Because it is hard to move a fixed platform, it is used primarily in development drilling over known offshore fields.
由于固定平台难以移动，因而它主要用于已发现的海上油气田的开发钻井。
In plastic or hard plastic clay, or water content smaller sand application microgroove blade drill, slowly and evenly drilling.
在可塑或硬塑粘土中，或含水量较小的砂土中应用密纹叶片钻杆，缓慢地均匀地钻进。
Sinter type fastigiate-handle drills: Use for drilling hard and brickle material, such as glass, ceramics etc.
烧结锥柄钻头：适用于玻璃、陶瓷等硬性材料的钻孔。
Drilling results display that electroplated weakly-bonded diamond bit can effectively solve the problem of slipping while drilling in hard, compact rock.
钻进结果显示，采用电镀弱包镶金刚石钻头，能够比较有效地解决电镀金刚石钻头的“打滑”问题。
In coal gas drilling, coal collapse led to drilling hard trip and other accidents.
在煤层气钻井中，煤岩坍塌造成接单根困难、起下钻遇阻遇卡、蹩泵等事故和井下复杂。
The applications in the field shows its advantages as simple installation and easy operation, high automation, avoiding safety emergency, lessening hard work, scraping the drilling mud off.
新型气动卡瓦体的工作高度低，可自动刮泥，并具有安装操作简便、自动化程度高、悬挂能力大等特点。
It is very hard to delineate directly a gold-quartz vein by prospecting drilling or gallery and calculate its reserves due to the uneven distribution of gold in the vein.
石英脉型金矿中，金的分布极不均匀，很难用工程直接圈定矿体和计算储量。
The visitors worked hard to choke the champions, even after Wayne Rooney punished Ronald Zubar's handball by drilling home his 13th goal of the season from the penalty spot.
客队很努力的想抵抗卫冕冠军，即便在鲁尼罚进点球之后也是这样。
Sinter type fastigiate-handle drills: Use for drilling hard and brickle material, such as glass, ceramics etc...
烧结锥柄钻头：适用于玻璃、陶瓷等硬性材料的钻孔。
The revolving-drilling technique is one of the new-type and effective methods for hard rock drilling.
冲旋钻井技术是一种新型、高效钻进硬地层的方法。
The tungsten carbide produced satisfied the requirements of Russian technical standard and can be used for manufacturing drilling instruments and hard metals...
采用该技术生产的碳化钨产品符合俄罗斯的技术标准要求，可用于钻探工具和硬质合金的生产。
The tungsten carbide produced satisfied the requirements of Russian technical standard and can be used for manufacturing drilling instruments and hard metals...
采用该技术生产的碳化钨产品符合俄罗斯的技术标准要求，可用于钻探工具和硬质合金的生产。
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