This paper introduces the 'structure characteristics and rock fragment characteristics of single step drill head with point pick.
介绍了单阶梯尖环齿钻头的结构特点及碎岩特点。
"We now have a high volume process for manufacturing sodium fill valves," said Schaefer. "We drill the holes, fill them with sodium and seal them all in one step."
“我们现在拥有了一种高集成的中空充钠气门生产工艺，”Schaefer说，“钻孔填钠密封，一步就可以搞定。”
In general can be twist drill hole, but you should drill holes, step and then expanded to the required diameter.
用一般的麻花钻即可开孔，但应先钻小孔，然后步扩大到所需直径。
This article probes into the process step, method and the disposal of some other basic problems of a computer-aided design for multiple spindle drill unit, which is easy to use and popularize.
本文探讨一种便于使用和推广的多轴钻组合机床计算机辅助设计的过程、步骤和方法以及其它一些基本问题的处理。
From each high-level step, "drill down" to a more detailed flowchart on a new page.
从每一高级步骤，“深入”到新页上更详细的流程图。
In this step, work to drill for the pipe of a propeller shaft or a rudder.
在这个步骤中，演练工作，为管道的传动轴或舵。
Based on the applied project, problems of the oil drill tube joint detection are solved step by step. Finally, automatic and effective joint measurement method is realized.
论文从实际的工程项目出发，逐一解决了接头检测存在的难点，最终实现了钻杆接头的自动、高效检测。
After the modification of step feed mechanism of deep drill combined machine tool, simplifying structure, convenient adjustment and reducing fault rate have been proved.
对深孔钻屑组合机床分级进给机构进行改进后，达到了简化结构、方便调整、减少故障的目的。
Normal bone drill: variable speed control without step, reliable, economical price.
普通骨钻：无级变速，性能可靠，经济实惠。
Molding ways of the drill bit comprise one-step forming and mosaic block type two-step forming.
钻头成型方式包括一次成型和镶块式二次成型。
The next step in this research work will involve more experiments, but above all refining the method will make it easier to find places where it is suitable to drill for oil and natural gas.
研究计划的下一步会开展更多的实验，但当务之急是把上述斱法加以改迚，使得更容易找到适合钻探开采油气的地斱。
The next step in this research work will involve more experiments, but above all refining the method will make it easier to find places where it is suitable to drill for oil and natural gas.
研究计划的下一步会开展更多的实验，但当务之急是把上述斱法加以改迚，使得更容易找到适合钻探开采油气的地斱。
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