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   drill tools 在 地质学 分类中 的翻译结果: 查询用时:0.009秒
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drill tools
相关语句
  钻具
    Application and Research of Large Diameter Rotary Drill Tools
    大口径旋挖钻具的研究及其应用
短句来源
    An alalysis is given the force-bearing condition of the derrick of the top-drive drill rig under ac-tion of the twisting moment exerted by the rotating drill tools and the turn-over moment resulted from pulldownof the feed frame while drilling.
    分析了动力头式钻机之钻塔在钻进过程中,所受回转钻具的反扭矩与给进架给进力而造成的翻转力矩作用下的受力情况。
短句来源
    Apply air reverse circulation drilling, appropriate increase length of twofold wall drill tools under certain conditions, may be drilling much deeper.
    运用气举反循环钻进,在满足一定条件下适当增加双壁钻具长度即可得到较大钻进孔深。
短句来源
  “drill tools”译为未确定词的双语例句
    AN EXPERIMENTAL STUDY ON DRILL TOOLS FROM XIANRENDONG SITE
    海城仙人洞遗址出土钻器的实验研究
短句来源
    The main problems influencing normal development of thermal peel fragmentation are lacks of the heating systems and drill tools for the thermal fragmentation. Therefore it is necessary to further the research and the development of the systems and tools.
    影响热力钻进发展的主要问题是没有合适的加热升温装置和碎岩工具,建议对此进行研究和开发。
短句来源
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Drill rod breaking-off, a frequentl happaned accident in work places. is caused by many factors. Theoretical calculations indicate that unreasonable drill tool grading is the principal factor for the break offs of drilling rod. Particularly. such accidents are more frequently occurred in drlling complex rock formations.

钻杆折断是钻探现场经常发生的事故,它受多种因素影响。通过理论计算发现,钻具级配不合理,是钻杆折断的主要原因。在复杂层中钻进,更容易发生钻杆折断事故。

In the percussive device described a double action valve is adopted. Concise in construetion, simple in machining and easy to start and operate are its merits. It has been tested in 23 drill as holes in six mining districts and distinct technical and economic results were yielded. It may be after all accepted as an advanced drill tool for diamond drilling.

XN60—1型无簧波动冲击器采取阀式双作用形式,结构件少、加工简单、操作启动容易、效率高,经6个矿区、23个钻孔试验,技术经济效果显著,不失为一种适合金刚石钻进的先进钻具。

The ignition coil of an automobile may be used as an magnetic pick-up. By lowering it into the largehydrogeological drill hole with a cable, the postion of the drill tool that dropped into the hole can beaccurately determined in order to afford a facility for accident elimination.

用汽车的点火线圈作磁性捡拾器,将电缆下入水文钻孔,可准确地测定出落入孔中钻具的位置,为处理井内事故创造条件.

 
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