The rock-drilling jamming mechanism of down-the-hole drill is discussed.
对潜孔钻机卡钻机理进行了探讨。
By two hands in a cave, and a "bridge", cheeper line up from the hole drill.
由两个人双手相搭成桥状，作为“山洞”，幼儿排队依次从洞下钻过。
This paper introduces the functions, features, structural patterns and key techniques of the CAD system for the short hole drill.
介绍了可转位浅孔钻CAD系统的功能、特点、结构图以及关键技术。
Based on analyzing the demands of small-diameter deep-hole drill for vibration drilling, a new inner-chip removal drill was designed.
分析了小直径深孔振动钻削对钻头的要求；设计了一种新型内排屑深孔钻头；分析了该钻头的结构和刃磨特点，进行了振动钻削试验。
Removing dust in the down-the-hole drill is very important in lengthening the service life of drill and assuring the health of workers.
潜孔钻机除尘系统对于延长钻机使用寿命，保证作业人员的身体健康至关重要。
According to experience of stonework excavation, we plan to adopt a in-the-hole drill to have deep hole controlled blasting technology.
根据石方开挖施工经验，计划采用潜孔钻机布孔进行深孔控制爆破技术施工。
To achieve high efficiency energy - saving, the hydraulic design of technological innovation is applied to the light down the hole drill.
将液压设计技术创新性地应用于轻型潜孔钻机中，实现高效节能。
The current shallow hole drill rigs can't meet the desire of shallow hole drilling and sampling in difficultily entered area and dry area.
本钻机吸取了国内外轻便钻机的结构型式特点，结合作业环境和取样要求，设计出一种振动冲击式、轻型的、易拆装、方便搬迁的新型轻便浅孔钻机。
Aimed at the problems of MYT type hydraulic anchor-hole drill in use, the ways to improve the operation reliability of the drill were offered.
针对MY T型液压锚杆钻机在使用中存在的问题，提出了提高液压锚杆钻机工作可靠性的几种途径。
In this paper coordination hole drill, connection and quality control in assembling of vertical stabiliser made of all-composite are introduced.
本文就某机全复合材料垂直安定面的装配，介绍了实际工作中如何协调、制孔、装配连接和质量检查等方面的问题。
Introduced about the principles and features of ZD150 type bighole drill and discussed the main facts for influnce on the highly quality of the drill hole.
介绍了ZD150型大孔径钻机的工作原理及高质量钻孔的特征，论述了影响高质量钻孔的主要因素。
Elements of stonework excavation: Use down-hole drill assisted with hammer drill drilling. Control blasting loosely and side slope molding smoothing wall blasting.
石方开挖施工要点：采用潜孔钻机配以凿岩机钻眼，松动控制爆破和边坡成型光面爆破。
The optimum design method and basic principles of main reducer of rotary blast hole drill are discussed, The main reducer is taken as a whole and is optimized by discrete Complex method.
论述了牙轮钻机主机构减速器的优化设计方法和基本原理，以主机构减速器作为整体进行优化，采用离散复合形算法。
The laser, with its beam of strong light, can drill a hole in a diamond, and yet can be so well controlled that it can be used in delicate eye operations.
凭着本身强烈的光束，激光可在钻石上钻一个洞，而且可以被很好地控制，因此能用于精密的眼部手术。
13 years ago, Jerry wanted to drill a hole through his living room wall.
13年前，杰瑞想在客厅的墙上钻个洞。
The laser, with its beam of strong light, can drill a hole in a diamond, and yet can be so well controlled that it can be used in delicate eye operations.
激光有强烈的光束，可以在钻石上钻洞，而且可以被很好地控制，用于精密的眼部手术。
Geothermal reservoirs are like capped geysers: When humans drill a hole, hot stuff comes up, which can be used to run a turbine.
地热贮藏就像是加了盖子的间歇泉：钻一个洞，热能就会冒出来，人们可以用它来驱动涡轮机。
Finally she had to hire a Puerto Rican fellow to drill a hole in her wall.
最后，她只好雇了一个波多黎各来的家伙在她的墙上钻了个窟窿。
Can you take a stainless cane with 3 mm in diameter and drill a hole of 2 mm alongside the cane at the depth of 3 cm?
你能否用一根直径为3mm的不锈钢棒，在旁边钻出一个直径为2 mm、深度为3cm的孔？
But now I'm going to drill a hole here, and I have here an axis l prime which is parallel to that one.
我在这里钻个洞，这是轴l撇,和那条平行。
Another thing, we'll have to drill a hole in the wall for the electric wires.
还有一件事，我们将不得不为电线在墙里面钻一个洞。
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。
Deburring As drill removes copper a small copper ridge forms around the hole edge.
去毛刺-钻孔后会在铜箔和孔壁上产生粗糙边。
As a result, many Shi Nong artificial processing, drill hole, besmear to brush paint, to pretend to be, also is such.
因此，不少石农进行人为加工，钻洞、涂刷、上色来冒充的，也多是此类。
European peasants would insert a wooden drill in a round hole and rotate it briskly between their palms.
欧洲的农夫将一个木钻子放入一个圆孔并用手掌不停旋转它。
The drill string of ERW is taken as research object, the dynamic problem is brought forward during making hole, and the mechanics model about each dynamic action is established.
以大位移井钻柱的部分或整体为研究对象，提出了钻井各种动态问题，建立了钻柱的各种动态行为的力学模型。
The next possibility is to drill a hole to fix a window in the geode to show the tourists.
下一个可能做的事情是在晶洞上钻一个孔安上一扇窗户让旅游者观看。
Drilling: refers to the use of drilling or milling machine drill hole of the workpiece process.
钻孔：指在钻床或铣床上使用钻头对工件进行打孔的工艺过程。
Drilling: refers to the use of drilling or milling machine drill hole of the workpiece process.
钻孔：指在钻床或铣床上使用钻头对工件进行打孔的工艺过程。
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