查询词典 stope drill

Based on random signal theory, in order to quantitatively research drilling string by vibration measurement method, the article sketches out a new methodthe identification of drillstring system using the cross correlation function. Using input signal, and output signal, the impulse response of drill-string is obtained. Some problems...

在随机信号理论基础上，提出了一种用互相关辨识钻柱系统的新方法；结合输入信号和输出信号，利用钻柱系统的脉冲响应，讨论了钻柱的临界转速、钻柱共振、钻柱与井壁之间的相互作用、所钻地层岩性等钻井工程问题。

As long as you like, you can be a drill or a crown.

只要你愿意，你也可以是钻或者皇冠。

A rock drill having cruciform cutting edges; used in mining.

有十字形钻头的岩石钻；用于采矿。

Start your own business, enhance your current business or gain new clients with Drill-Down Tally.

开始自己的业务，提高您当前的业务，或获得新的客户与演练式相符。

The products are diversiform,eg:Solid Carbide Tools;CBN,Brazed Diamond Tools;Profile Cutter;Cutter Bar;Cutting Tip;Carbide-tipped Reamer;Carbide-tipped Drill; Difficult For Materials Processing tool;Cutter Head;Non-standard Cutting Tool;Graphite Special Tool;Grinding Non-standard Tool Profiled;Carbide Welding Tool.

主要产品：整体硬质合金刀具； CBN、金刚石焊接刀具；成型刀具；刀杆；刀片；硬质合金绞刀；硬质合金钻头；难加工材料专用刀具；刀盘；非标准刀具；石墨专用刀具；修磨非标异形刀具；硬质合金焊接刀具。

And we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.

我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。

The underside of the hatches were shaped using my Dremel cutting tool and a Dremel grinding cylinder in a drill press.

底的舱口被形用我的dremel 刀具和dremel 磨缸，在演习的新闻。

Data - From Dashboards, to drill-down summaries, to overview and to detailed levels, daa must be presented in a useful manner.

数据-从仪表板，以钻下来的摘要，简介，并详细各级的D AA必须在一个有用方式。

Based on the comprehensive analysis of drill well, logging and seismic data, the various datum plane according to the ration of accommodation and sediment supply.

根据钻井、测井及地震资料的综合分析，以A/S值的变化趋势为依据，可以识别不同级次的基准面旋回。

Finally, she also recommends a Deadhead/river guide version of a precision drill: Hacky Sack.

最后，她建议一个免费乘客导游Hacky Sack的看法。

The Porsche Owner: But it's my car!

可，这是我的车呀。

LOX_83}{Oh, another bunch of wackos.

{LOX_83}{呃，又一群怪人。